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State scheme · Tamil Nadu

TN State Micro-Irrigation Top-Up (PMKSY-PDMC Extra)

நுண்நீர்ப்பாசன மானியம்

ActiveTN Micro-Irrigation Top-UpLaunched 2014 · Tamil Nadu Department of Agriculture-Engineering
Benefit
100 % SC/ST + small/marginal; 75 % general
State top-up over PMKSY-PDMC (55 % SMF / 45 % general). Covers drip, sprinkler, mulch, fertigation. 5-ha lifetime cap
Apply on tnagrisnet.tn.gov.in

Eligibility

  • Eligible: Tamil Nadu farmer with patta
  • Eligible: tenant with lease deed ≥3 years
  • Eligible: Landholding up to 5 ha

Documents required

  • Patta Chitta land record
  • Aadhaar
  • Bank account
  • Caste certificate (for SC/ST 100% tier)
  • Water source proof (well/borewell)

Quick facts

Key facts about this scheme
Launched2014
Implementing ministryTamil Nadu Department of Agriculture-Engineering
Application portaltnagrisnet.tn.gov.in (opens in new tab)
StatusActive

Why the state top-up

The Centrally-Sponsored Pradhan Mantri Krishi Sinchayee Yojana — Per Drop More Crop (PMKSY-PDMC) provides 55 % subsidy to small / marginal farmers and 45 % to other farmers on drip, sprinkler, mulch and fertigation installations. For PMKSY-PDMC, the centre-state share is 60:40 (general states) — meaning a significant share of the subsidy is state-funded already. Tamil Nadu has added a state top-up over this base, called TN-MISMIDH (Tamil Nadu Micro-Irrigation & Sustainable MIDH), bringing effective coverage to 100 % for SC/ST + small/marginal farmers and 75 % for general farmers.

This high-subsidy positioning is part of Tamil Nadu's long-running push to expand drip / sprinkler coverage — the state has the highest absolute coverage of micro- irrigation in India (~13 — 15 lakh ha) and was an early mover with the 2007 Tamil Nadu Micro-Irrigation Programme that pre-dated the central PMKSY launch (2015).

Subsidy structure

  • SC / ST + small / marginal farmers: 100 % subsidy (55 % from PMKSY + 45 % state top-up).
  • General category: 75 % subsidy (45 % from PMKSY + 30 % state top-up).
  • Cap: 5 ha per farmer per lifetime (cumulative across all components).
  • Crops: applies to all field crops (sugarcane, banana, vegetables, cotton, oilseeds, pulses, fruits, coconut, areca) under TN's empanelled micro-irrigation specifications.

Eligibility

  • Tamil Nadu farmer with patta (land record) or tenant with lease deed ≥ 3 years.
  • Up to 5 ha holding (further coverage requires fresh cap allocation).
  • Water source confirmed (open well, borewell, tank, canal connection) — verified during pre-installation survey.
  • Caste certificate required for SC/ST 100 % tier.

How to apply — step by step

  1. Register on tnagrisnet.tn.gov.in with Aadhaar, patta, bank account.
  2. Select micro-irrigation component (drip / sprinkler / mulch / fertigation); choose from empanelled vendor list (~50 vendors).
  3. Agricultural Engineering Department conducts pre- installation site survey — water source, soil, slope, crop pattern verified.
  4. Vendor installs system; geo-tagged photographs at installation; ADO inspects post-installation.
  5. Subsidy disbursed directly to vendor against the invoice for SC/ST + SMF (no out-of-pocket payment by farmer); general-category farmers pay 25 % upfront, balance directly to vendor from state.

Latest changes (2024 — 2026)

  • 2024-25: Vendor empanelment refreshed; quality assurance tightened with random field inspections.
  • March 2025: tnagrisnet portal integrated with AgriStack Farmer ID; auto-population of patta and crop data.
  • August 2025: Convergence withPM-KUSUM Component B and C — solar pump + drip stacked package promoted.
  • 2025-26: Sugarcane drip targets stepped up — TN sugar mills (TASMA + private) co- funding farmer-share.

Common rejection reasons

  • Patta — Aadhaar mismatch: name on patta differs from Aadhaar; remediate at VAO.
  • 5-ha lifetime cap exhausted: prior installation already used the cap.
  • Water source unverified: pre- installation survey finds insufficient water at source.
  • SC/ST quota exhausted: state quota for the 100 % tier is limited each year.
  • Vendor not empanelled: installation by non-empanelled vendor disqualifies the case.
  • Aadhaar — bank seeding failure: DBT credit fails on NPCI side.

Grievance: Agricultural Engineering ADO → Block AEO → Joint Director Agri-Engineering → TN Department of Agriculture-Engineering. State grievance helpline runs time-bound disposal.

Coverage statistics

Per TN Department of Agriculture-Engineering data, Tamil Nadu has the largest cumulative micro-irrigation coverage in India — ~13 — 15 lakh ha as of FY 2024-25. Annual incremental coverage runs at 70,000 — 100,000 ha. Outlay split: ~60 % central PMKSY-PDMC, ~40 % state top-up. Concentration: sugarcane in Cuddalore-Theni, banana in Trichy-Madurai-Tirunelveli, coconut in Coimbatore-Pollachi, vegetables across the southern districts, paddy SRI / drip in select Cauvery delta parcels. Exact figures are published in TN Vidhan Sabha replies, Department of Agriculture-Engineering annual report, and the State Economic Appraisal.

How this scheme stacks with other schemes

The TN top-up converges centrally with PMKSY-PDMC (base subsidy), PMKSY-AIBP (major / medium irrigation projects), PMKSY-HKKP (Har Khet Ko Pani — minor irrigation), and PM-KUSUM (solar pumps powering the drip). MIDH funds horticulture-specific micro-irrigation packages. Kalaignarin Velan Valarchi at the panchayat scale identifies cluster opportunities. PMFBY covers crop loss; KCC-MISS finances inputs.

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Sources

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