The agri-science fair or mela, to be held at the Pusa campus, will start on March 16.
Modi will also unveil a portal on organic farming and lay the foundation stone of 25 Krishi Vigyan Kendras (KVKs).
The Prime Minister will confer Krishi Karman Award and Pandi Deen Dayal Upadhaya Krishi Vigyan Protsahan Puruskar to progressive farmers and states on the occasion, Agriculture Minister Radha Mohan Singh told reporters.
Two state chief ministers and six state agri-ministers are expected to attend the event, he said while declining to share the likely cost of organising the annual fair.
The fair will have more than 600 stalls, display of latest agriculture and allied sector technologies, live demonstration of micro-irrigation, waste water utilisation and animal husbandry and fisheries.
There will be theme pavilion on doubling of farmers income, organic farming, cooperatives, farm inputs, among others. Textile, food processing and commerce ministries as well as North East Council will set up stalls.
The fair is organised every year on a priority area of agricultural research and technology transfer.
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