In the past few months, retail prices of petrol and diesel have consistently increased and have reached all-time high levels.  On September 24, 2018, the retail price of petrol in Delhi was Rs 82.72/litre, and that of diesel was Rs 74.02/litre.  In Mumbai, these prices were even higher at Rs 90.08/litre and Rs 78.58/litre, respectively.

The difference in retail prices in the two cities is because of the different tax rates levied by the respective state governments on the same products.  This blog post explains the major tax components in the price structure of petrol and diesel and how tax rates vary across states.  It also analyses the shift in the taxation of these products, its effect on retail prices, and the consequent revenue generated by the central and state governments.

What are the components of the price structure of petrol and diesel?

Retail prices of petrol and diesel in India are revised by oil companies on a daily basis, according to changes in the price of global crude oil.  However, the price paid by oil companies makes up 51% of the retail price in case of petrol, and 61% in the case of diesel (Table 1).  The break-up of retail prices of petrol and diesel in Delhi, as on September 24, 2018, shows that over 45% of the retail price of petrol comprises central and states taxes.  In the case of diesel, this is close to 36%.

At present, the central government has the power to tax the production of petroleum products, while states have the power to tax their sale.  The central government levies an excise duty of Rs 19.5/litre on petrol and Rs 15.3/litre on diesel.  These make up 24% and 21% of the retail prices of petrol and diesel, respectively.

Table 1

While excise duty rates are uniform across the country, states levy sales tax/value added tax (VAT), the rates of which differ across states.  The figure below shows the different tax rates levied by states on petrol and diesel, which results in their varying retail prices across the country.  For instance, the tax rates levied by states on petrol ranges from 17% in Goa to 39% in Maharashtra.

Effective Sales Tax

Note that unlike excise duty, sales tax is an ad valorem tax, i.e., it does not have a fixed value, and is charged as a percentage of the price of the product.  This implies that while the excise duty component of the price structure is fixed, the sales tax component is charged as a proportion of the price paid by oil companies, which in turn depends on the global crude oil price.  With the recent increase in the global prices, and subsequently the retail prices, some states such as Rajasthan, Andhra Pradesh, West Bengal, and Karnataka have announced tax rate cuts.

How have retail prices in India changed vis-à-vis the global crude oil price?

India’s dependence on imports for consumption of petroleum products has increased over the years.  For instance, in 1998-99, net imports were 69% of the total consumption, which increased to 93% in 2017-18.  Because of a large share of imports in the domestic consumption, any change in the global price of crude oil has a significant impact on the domestic prices of petroleum products.  The following figures show the trend in price of global crude oil and retail price of petrol and diesel in India, over the last six years.

Petrol

Diesel

The global price of crude oil (Indian basket) decreased from USD 112/barrel in September 2012 to USD 28/barrel in January 2016.  Though the global price dropped by 75% during this period, retail prices of petrol and diesel in India decreased only by 13% and 5%, respectively.  This disparity in decrease of global and Indian retail prices was because of increase in taxes levied on petrol and diesel, which nullified the benefit of the sharp decline in the global price.  Between October 2014and June 2016, the excise duty on petrol increased from Rs 11.02/litre to Rs 21.48/litre.  In the same period, the excise duty on diesel increased from Rs 5.11/litre to Rs 17.33/litre.

Over the years, the central government has used taxes to prevent sharp fluctuations in the retail price of diesel and petrol.  For instance, in the past, when global crude oil price has increased, duties have been cut.  Since January 2016, the global crude oil price has increased by 158% from USD 28/barrel to USD 73/barrel in August 2018.  However, during this period, excise duty has been reduced only once by Rs 2/litre in October 2017.  While the central government has not signalled any excise duty cut so far, it remains to be seen if any rate cut will happen in case the global crude oil price rises further.  With US economic sanctions on Iran coming into effect on November 4, 2018, India may face a shortfall in supply since Iran is India’s third largest oil supplier.  Moreover, Organization of Petroleum Exporting Countries (OPEC) and Russia have not indicated any increase in supply from their side yet to offset the possible effect of sanctions.  As a result, in a scenario with no tax rate cut, this could increase the retail prices of petrol and diesel even further.

How has the revenue generated from taxing petroleum products changed over the years?

As a result of successive increases in excise duty between November 2014 and January 2016, the year-on-year growth rate of excise duty collections increased from 27% in 2014-15 to 80% in 2015-16.  In comparison, the growth rate of sales tax collections was 6% in 2014-15 and 4% in 2015-16.  The figure below shows the tax collections from the levy of excise duty and sales tax on petroleum products.  From 2011-12 to 2017-18, excise duty and sales tax collections grew annually at a rate of 22% and 11%, respectively.

Tax revenue

How is this revenue shared between centre and states?

Though central taxes are levied by the centre, it gets only 58% of the revenue from the levy of these taxes.  The rest 42% is devolved to the states as per the recommendations of the 14th Finance Commission.  However, excise duty levied on petrol and diesel consists of two broad components – (i) excise duty component, and (ii) road and infrastructure cess.  Of this, only the revenue generated from the excise duty component is devolved to states.  Revenue generated by the centre from any cess is not devolved to states.

The cess component was increased by Rs 2/litre to Rs 8/litre in the Union Budget 2018-19.  However, this was done by reducing the excise duty component by the same amount, so as to keep the overall rate the same.  Essentially this provision shifted the revenue of Rs 2/litre of petrol and diesel from states’ divisible pool of taxes to the cess revenue, which is entirely with the centre.  This cess revenue is earmarked for financing infrastructure projects.

At present, of the Rs 19.5/litre excise duty levied on petrol, Rs 11.5/litre is the duty component, and Rs 8/litre is the cess component.  Therefore, accounting for 42% share of states in the duty component, centre effectively gets a revenue of Rs 14.7/litre, while states get Rs 4.8/litre.  Similarly, excise duty of Rs 15.3/litre levied on diesel consists of a cess component of Rs 8/litre.  Thus, excise duty on diesel effectively generates revenue of Rs 12.2/litre for the centre and Rs 3.1/litre for states.

Later this week, the GST Council will meet to discuss the issue of GST compensation to states.  The central government is required to compensate states for any loss of revenue they incur due to GST.  The Centre must pay this compensation on a bi-monthly basis, but over the past one year these payments have been delayed by several months due to lack of funds.  The COVID-19 pandemic and the consequent lockdown have amplified the issue manifold, with both centre and states facing a revenue shortfall, limiting the ability of the Centre to meet states’ compensation needs.

Why is the Centre required to compensate states for GST?

With GST implementation in 2017, the principle of indirect taxation for many goods and services changed from origin-based to destination-based.  This means that the ability to tax goods and services and raise revenue shifted from origin states (where the good or service is produced) to destination states (where it is consumed).  This change posed a risk of revenue uncertainty for some states.  This concern of states was addressed through constitutional amendments, requiring Parliament to make a law to provide for compensation to states for five years to avoid any revenue loss due to GST.

For this purpose, the GST (Compensation to States) Act was enacted in 2017 on the recommendation of the GST Council.  The Act guarantees all states an annual growth rate of 14% in their GST revenue during the period July 2017-June 2022.   If a state’s GST revenue grows slower than 14%, such ‘loss of revenue’ will be taken care of by the Centre by providing GST compensation grants to the state.  To provide these grants, the Centre levies a GST compensation cess on certain luxury and sin goods such as cigarettes and tobacco products, pan masala, caffeinated beverages, coal, and certain passenger vehicles.  The Act requires the Centre to credit this cess revenue into a separate Compensation Fund and all compensation grants to states are required to be paid out of the money available in this Fund.

How much compensation is provided to states?

For 2018-19, Centre gave Rs 81,141 crore to states as GST compensation.  However, for the year 2019-20, the compensation requirement of states nearly doubled to Rs 1.65 lakh crore.  A huge increase in requirement implies that states’ GST revenue grew at a slower rate during 2019-20.   This can be attributed to the economic slowdown seen last year, which resulted in a nominal GDP growth of 7.2%.   This was significantly lower than the 12% GDP growth forecast in the 2019-20 union budget (Figure 1).

Figure 1:  GDP growth rate (2017-21)

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Sources:  Union Budget Documents; MOSPI; PRS.

In 2019-20, the gross GST revenue (Centre+states) increased by just 4% over the previous year.  Despite this, due to the compensation guarantee, all states could achieve the growth rate of 14% in their GST revenue – much higher than the overall growth in GST revenue.  However, there was a delay in payment of compensation from Centre.   More than Rs 64,000 crore of the compensation requirement of states for 2019-20 was met in the financial year 2020-21.

What led to a delay in payment of compensation to states?

In 2019-20, the delay in payment was observed due to insufficient funds with Centre for providing compensation to states.  These funds are raised by levying a compensation cess on the sale of certain goods, some of which were affected by the economic slowdown.  For instance, in 2019-20, sales of passenger vehicles declined by almost 18% and coal offtake from domestic coal companies reduced by nearly 5%, over the previous year.  As a result, cess collections registered a growth of just 0.4% in 2019-20 (Figure 2), against the 104% increase seen in the compensation requirement of states.  This resulted in a shortfall of funds of nearly Rs 70,000 crore.

Figure 2:  Cess collections insufficient for providing compensation

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Note:  In 2017-18, GST was implemented for only nine months.  Compensation amount shown may not match with the amount released in that financial year because of delay in releases.

Sources:  Union Budget Documents; Ministry of Finance; GST Council; Lok Sabha Questions; PRS.

How can compensation be paid to states if cess collections are insufficient?

The shortfall in collections for 2019-20 was met through: (i) surplus cess collections from previous years, (ii) partial cess collections of 2020-21, and (iii) a transfer of Rs 33,412 crore of unsettled GST funds from the Centre to the Compensation Fund.   These unsettled funds are GST collections, generated in 2017-18 from inter-state and foreign trade, that have not yet been settled between centre and states.

In the 2020-21 budget, the Centre has estimated a 10% growth in nominal GDP.  However, due to the impact of COVID-19 and the lockdown, the actual growth in 2020-21 is likely to be much lower.  In such a scenario, states’ GST revenue would also be much lower than expected, thus leading to a higher compensation requirement.  However, the ability of Centre to pay compensation depends on the cess collections, which are also getting impacted this year.  For instance, cess collections during the period Apr-Jun 2020 have been 41% lower in comparison to the same period last year.  Moreover, of the Rs 14,482 crore collections made during this period, Rs 8,680 crore has been likely used up for paying compensation for 2019-20.

Note that under the GST (Compensation to States) Act, 2017, Centre can provide compensation to states only through the money available in the Compensation Fund.   The Union Finance Minister, in her budget speech in February 2020, clarified that transfers to the Fund would be limited only to collections of the GST compensation cess.  Despite a shortfall of money in the Compensation Fund, the Centre is constitutionally obligated to meet states’ compensation requirement for a period of five years.

Various measures have been suggested to address the issue of shortfall in the Fund, either by reducing the compensation payable to states (which would require Parliament to amend the Act following GST Council’s recommendation) or by supplementing the funds available with Centre for providing compensation to states.   The Act allows the GST Council to recommend other funding mechanisms/ amounts for credit into the Compensation Fund.  For example, one of the measures proposed for meeting the shortfall involves Centre using market borrowings to pay compensation to states, with the idea that these borrowings will be repaid with the help of future cess collections.  To enable this, the GST Council may recommend to Centre that the compensation cess be levied for a period beyond five years, i.e. post June 2022.

Impact on states post 2022

In 2019-20, except for a few north-eastern states, most states saw their compensation requirements increase multifold by 2-3 times, over the previous year’s figures.  Table 1 shows the compensation requirement of states for the years 2018-19 and 2019-20.  Six states (Delhi, Gujarat, Karnataka, Maharashtra, Punjab, and Tamil Nadu) accounted for 52% of the total requirement of compensation for 2019-20.  Further, in some states such as Punjab and Delhi, compensation grants form a significant share of the overall revenue receipts (20% and 16% resepctively).  

Note that states have been guaranteed compensation only for a period of five years.  After June 2022, states dependent on compensation will observe a revenue gap due to a cut in these grants coming from Centre.  States have roughly two years to bridge this gap with other tax and non-tax sources to avoid a potential loss of revenue, and a consequent fall in the size of their state budget, which could adversely affect the economy.  To what extent will such concerns be alleviated remains to be seen based on the course of action decided by the GST Council.

Table 1:  GST compensation requirement of states for 2018-19 and 2019-20 (in Rs crore)

State

2018-19

2019-20

% increase in compensation requirement

Amount

As a % of revenue

Amount

As a % of revenue*

Andhra Pradesh

0

-

3,028

3%

-

Assam

455

1%

1,284

1%

182%

Bihar

2,798

2%

5,464

4%

95%

Chhattisgarh

2,592

4%

4,521

7%

74%

Delhi

5,185

12%

8,424

16%

62%

Goa

502

5%

1,093

9%

118%

Gujarat

7,227

5%

14,801

10%

105%

Haryana

3,916

6%

6,617

10%

69%

Himachal Pradesh

1,935

6%

2,477

8%

28%

Jammu and Kashmir

1,667

3%

3,281

5%

97%

Jharkhand

1,098

2%

2,219

4%

102%

Karnataka

12,465

8%

18,628

11%

49%

Kerala

3,532

4%

8,111

9%

130%

Madhya Pradesh

3,302

3%

6,538

4%

98%

Maharashtra

9,363

3%

19,233

7%

105%

Meghalaya

66

1%

157

2%

138%

Odisha

3,785

4%

5,122

5%

35%

Punjab

8,239

13%

12,187

20%

48%

Rajasthan

2,280

2%

6,710

5%

194%

Tamil Nadu

4,824

3%

12,305

7%

155%

Telangana

0

-

3,054

3%

-

Tripura

172

1%

293

3%

70%

Uttar Pradesh

0

-

9,123

3%

-

Uttarakhand

2,442

8%

3,375

11%

38%

West Bengal

2,615

2%

6,200

4%

137%

Note:   Arunachal Pradesh, Manipur, Mizoram, Nagaland, and Sikkim did not require any compensation in 2018-19 and 2019-20.

*Revenue for the year 2019-20 does not takes into account those GST compensation grants which were payable to states in 2019-20 but were released by Centre in the year 2020-21. The percentage figures would be slightly lower if such grants are included in 2019-20 revenue.

Sources:  State Budget Documents; Ministry of Finance; Lok Sabha Questions; CAG; PRS.