New Delhi, Jan 18 (IANS): Prime Minister Narendra Modi starts his two-day visit to Sikkim and Assam on Monday, an official statement said.

The prime minister will attend a conference of state agricultural ministers on sustainable development, organic farming and eco-tourism in Gangtok and lay the foundation stone of a new building for Indian Institute of Information Technology (IIIT) Guwahati.

According to statement, Modi will arrive in Gangtok on Monday afternoon and then visit an orchid display and seasonal flowers exhibition. "The Prime Minister will attend the state agricultural ministers conference on sustainable development, organic farming and eco-tourism in Gangtok."

Modi will also interact with organic farmers in Gangtok on Tuesday before leaving for Assam, the statement said.

Modi on Tuesday will lay the foundation stone for a new building for IIIT Guwahati, the largest city of Assam, and address the students of IIT, NIT and central universities of the northeastern states.