Punjab Preservation of Subsoil Water Act, 2009

The Punjab Preservation of Subsoil Water Act, 2009 is a State law that stops farmers from sowing paddy nurseries and transplanting paddy too early in summer. Its aim is to save groundwater. Before the monsoon arrives, paddy fields must be filled using tubewells, while the hot sun evaporates much of that water. By pushing paddy planting closer to the monsoon, the law lets rain do more of the work and slows the fall of the water table.

Why was it needed?

Punjab's farms depend heavily on groundwater (water stored under the ground, pulled up by tubewells). In 2012, nearly 73% of Punjab's cropped area was irrigated by groundwater. Water tables fell by about 0.36 metres a year between 1999 and 2009. A NASA study using the GRACE satellites, published in Nature in 2009, found that Punjab, Haryana and Rajasthan (including Delhi) lost about 109 cubic kilometres of groundwater between 2002 and 2008. That was then one of the largest losses of groundwater in the world.

Where did it come from?

Experts had long advised delaying paddy planting. Punjab first brought an ordinance in 2008, and the Assembly passed the Act in 2009 (assented on 2 April 2009). Haryana passed a near copy, the Haryana Preservation of Sub-Soil Water Act, 2009.

What does the law say?

• No early nursery: farmers cannot sow a paddy nursery before 10 May, or a later date notified by the State Government.
• No early transplanting: farmers cannot transplant paddy before 10 June, or a later notified date.
• Destruction: an authorised officer can destroy a nursery or crop planted in breach of the law, and recover the cost from the farmer.
• Penalty: ₹10,000 per hectare for every month (or part of a month) that the breach continues.
• Protection for officers: actions taken by officials in good faith under the Act are protected from legal proceedings.

How has it worked over time?

The government notifies the actual dates each year. From 2014, transplanting usually started around 15 June. In recent years Punjab has advanced the date again: in 2025, transplanting opened from 1 June in some districts, in three zones (1 June, 5 June and 9 June). Experts warned this would increase groundwater use.

How does it link to stubble burning?

This is the law's big unintended side effect. When paddy is transplanted in mid-June, it is harvested in late October and November. That leaves only 10 to 15 days to clear fields before wheat sowing, so farmers burn the straw. And the burning now happens in winter, when cold, still air traps the smoke over north India. So a law that helped water ended up making winter air worse.

India's position and examples

• Punjab's groundwater is among the most over-used in India. The Central Ground Water Board (CGWB) assessment for 2023 put Punjab's stage of extraction at about 164% (it takes out far more water than is recharged), with 117 of 153 blocks rated over-exploited.
• Other tools to save water include direct seeding of rice (DSR), short-duration varieties like PR-126, and crop diversification to maize, pulses and cotton.

Commonly confused concepts

• Nursery sowing vs transplanting: paddy seeds are first grown in a small nursery bed; after about a month, the young plants are transplanted into flooded fields. The Act sets dates for both.
• Punjab Preservation of Subsoil Water Act, 2009 vs Punjab Land Preservation Act, 1900: the 2009 law is about saving groundwater through paddy dates; the 1900 law is about protecting land from erosion, and is often discussed for the Aravallis and Shivaliks.
• Stage of groundwater extraction: the share of yearly recharge that is pumped out. Above 100% is "over-exploited"; 90 to 100% is "critical"; 70 to 90% is "semi-critical"; 70% or less is "safe".

Issues, criticism and the way forward

• Water vs air trade-off: the law saved some groundwater but shifted the burning season into winter.
• Weak core fix: it changes when paddy is grown, not how much. The root cause, a rice-wheat system backed by assured procurement and free power, remains.
• Political pressure: dates are often advanced to suit farmers, which weakens the law's purpose.
• Way forward: pair the law with crop diversification, price support for less water-hungry crops, DSR, short-duration varieties, metering or limits on free power, and proper straw management so that delayed harvests do not mean fires.

Concepts to Know

• Water table: the level below the ground where the soil is full of water. When we pump more than rain refills, it goes deeper.
• GRACE satellites: a pair of NASA satellites that measured tiny changes in Earth's gravity, which reveal how much underground water is gained or lost.
• Ordinance: a temporary law made by the Governor (for a State) when the legislature is not in session; it must later be passed by the legislature.
• Central Ground Water Board (CGWB): the central body under the Ministry of Jal Shakti that studies and assesses India's groundwater.