Buffer stock

Topic: Agricultural Marketing, MSP, Buffer Stocks and PDS · NCERT: Class 11, Ch 2 "Indian Economy 1950-1990"; Class 11, Ch 5 "Rural Development"

Meaning

A buffer stock is the grain, mainly wheat and rice, that the government keeps in the central pool (the combined stock held by FCI and state agencies on behalf of the Government of India). It is used to supply the PDS (Public Distribution System, the network of ration shops) and to feed people when there is a shortage. Most of this grain is bought from farmers at the MSP (Minimum Support Price). The buffer protects India from famine and keeps ration shops supplied. If the stock grows too large, it becomes a heavy cost for the government.

Excess stock = Actual stock in the central pool − Buffer stock norm (checked on the first day of each quarter)

Explanation

How the buffer stock is built

• Step 1: Procurement. The government buys wheat and rice from farmers at MSP through FCI (Food Corporation of India) and state agencies.
• Step 2: Storage. The grain goes into godowns (warehouses) and becomes part of the central pool.
• Step 3: Use.
• Grain is sent to states every month for the PDS.
• It is released in bad years, such as after a crop failure or a disaster.

• Extra grain is sold in the market under the OMSS (Open Market Sale Scheme). This is the sale of central-pool grain to traders and processors to bring down market prices.

• Open-ended procurement fills the buffer. The government buys all wheat and rice offered at MSP if it meets FAQ ("fair average quality") standards. There is no limit on quantity.

Two parts of the buffer norm

• A buffer stock norm is the minimum amount of rice plus wheat that must be in the central pool on 1 April, 1 July, 1 October and 1 January. These norms have been in force since January 2015.
• Operational stock is the grain needed for monthly PDS and other welfare schemes.
• Strategic reserve (also called the food security reserve) is extra grain kept for emergencies. It is 30 lakh tonnes of wheat + 20 lakh tonnes of rice [3].
• The norm is highest on 1 July.
• The rabi wheat harvest has just been bought by then.
• So the stock needed to last the rest of the year is at its peak.
• 1 July norm: rice 135.40 LMT + wheat 275.80 LMT = 411.20 LMT [2]. LMT means lakh metric tonnes.

What makes the stock rise or fall

• It rises when:
• MSP is set above the market price. MSP then works as a price floor (a legal minimum price set above the equilibrium price, where demand equals supply).
  • At the higher price, farmers sell more and private buyers buy less.
  • A surplus is left over, and the government must buy it.
  • Surplus = Quantity supplied at MSP − Quantity demanded at MSP

• Harvests are good. More grain then comes to procurement centres.

• It falls when:

• PDS offtake (the grain states draw for ration shops) is large.
• Grain is sold under OMSS.
• Harvests are poor, so less grain is procured.

Worked example 1 (price floor, illustrative numbers from the note)

• Equilibrium wheat price = ₹2,000/quintal. MSP = ₹2,400/quintal.
• At ₹2,400, farmers offer 1,100 lakh tonnes, but private buyers want only 800 lakh tonnes.
• Surplus = 1,100 − 800 = 300 lakh tonnes. FCI buys it, and it goes into the central pool.

Worked example 2 (actual data, 1 July 2025) [2]

• Actual stock = 377.83 (rice) + 358.78 (wheat) = 736.61 LMT.
• Norm = 411.20 LMT.
• Excess = 736.61 − 411.20 = 325.41 LMT. The stock was about 1.8 times the norm.

In India

• FCI was created under the Food Corporations Act 1964 and set up on 14 January 1965.
• India was short of food at the time and depended on PL-480 wheat imports from the USA.

• FCI's jobs are to procure, store and move grain, supply it to the PDS and hold buffer stocks.

• Decentralised procurement (DCP) began in 1997-98.

• Under DCP, states procure, store and distribute grain themselves, and the Centre repays their costs.

• Any surplus is handed to FCI for the central pool.

• NCERT link: Green Revolution output let the government "procure sufficient amount of food grains to build a stock which could be used in times of food shortage" (Class 11, Indian Economy 1950–1990). "Famines became events of the past; we have now achieved food security which is reflected in the abundant buffer stocks of grains" (Class 11, Rural Development).

• Where the grain comes from: mainly Punjab, Haryana, MP, Telangana, Chhattisgarh and Odisha.
• Wheat inflow: wheat is bought in the Rabi Marketing Season (RMS), which normally starts on 1 April. FCI procured 266 LMT of wheat in RMS 2024-25 [4].
• Latest position (1 July 2025) [2]:

Grain	Actual stock (LMT)	Norm (LMT)	Excess (LMT)
Rice	377.83	135.40	242.43
Wheat	358.78	275.80	82.98
Total	736.61	411.20	325.41

Don't confuse with

• Buffer stock norm vs actual buffer stock: the norm is the minimum required on a quarter's first day. The actual stock can be far above it, as on 1 July 2025 (736.61 vs 411.20 LMT) [2].
• Strategic reserve: this is only one part of the buffer norm, kept for emergencies (30 LMT wheat + 20 LMT rice) [3]. The other part, the operational stock, is for regular PDS supply.
• Price Stabilisation Fund (PSF): this is a consumer-side fund that builds buffers of pulses and onions to control retail prices. The central-pool buffer is mainly wheat and rice. PSF is now part of PM-AASHA [5].
• Procurement: procurement is the act of buying at MSP. The buffer stock is the stock that results from it.

Prelims Hooks

• Buffer norms are checked on 1 April, 1 July, 1 October and 1 January. They have been in force since January 2015.
• The 1 July norm is the highest: 411.20 LMT (rice 135.40 + wheat 275.80) [2].
• Strategic reserve = 30 LMT wheat + 20 LMT rice [3].
• The central pool is held by FCI and state agencies on behalf of the Government of India. FCI alone does not hold it all, especially under DCP (from 1997-98).
• Open-ended procurement covers wheat and rice only. Pulses under PSS have a share-of-output ceiling.
• Trap: PDPS (Price Deficiency Payment Scheme) involves no physical procurement, so it adds nothing to buffer stocks [5].

Mains Points

• Excess stock has a fiscal cost. On 1 July 2025 the stock was 736.61 LMT against a norm of 411.20 LMT [2].
• Carrying cost (storage, interest on money locked in grain, and storage losses) goes up.
  • → This is paid through the food subsidy, so the subsidy bill grows.
• Grain can rot when godowns are full and grain is kept under CAP (Cover and Plinth, open storage under tarpaulin).

• Remedies: fix MSP closer to market prices, sell more grain under OMSS, and link the case to fiscal prudence (GS-III).

• The buffer comes from a narrow base and distorts crop choices.

• Procurement is concentrated in a few states. Only about 6% of farmers sell at MSP to procurement agencies (Shanta Kumar HLC, 2015).
• Assured buying of rice and wheat pulls land and groundwater away from pulses and oilseeds. Groundwater is running down in Punjab and Haryana.

• Wider DCP, more purchase centres in eastern states and crop diversification can help.

• Physical buffer vs cash support (PDPS):

• PDPS pays farmers the gap between MSP and the market price. There is no storage cost and no stockpile.
• But it gives no grain to the PDS. A buffer is still needed for food security, so the answer is a balance: keep stocks close to the norm and use deficiency payments for other crops (GS-III, and GS-II for PDS).

Related concepts

• Procurement
• Buffer stock norms
• Operational stock
• Strategic reserve
• Open-ended procurement
• Centralised procurement
• Decentralised procurement
• Price support scheme
• Price deficiency payment
• Market intervention scheme

Read more

• Procurement and buffer stocks: FCI, the central pool and non-cereal support