| Zone | States | Centres |
| Zone I | Punjab, Rajasthan, Uttar Pradesh, Northern Madhya Pradesh | Ludhiana |
| Zone II | Gujarat,
Southern Rajasthan |
Anand, Amreli, Talod, Pratapgarh, Mahua, CCSRI Mandvi, Kothara |
| Zone III | Northern Maharashtra,
Konkan Region Southern Madhya Pradesh |
Akola, Shirgaon, Latur |
| Zone IV | Jharkhund, Odisha, West Bengal | Barachana, KVK Nimpith |
| Zone V | Southern Maharashtra, Karnataka, Telengana, Andhra Pradesh, Tamil Nadu | Digraj; ICAR-Research Complex, Goa |
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