Finance Minister Nirmala Sitharaman Friday said the government will invest widely in agriculture infrastructure and support private entrepreneurship for value addition in farm sector. Presenting the Union Budget for 2019-20, Sitharaman said the government proposes Pradhan Mantri Matsya Sampada Yojana to address critical infrastructure gap in fisheries sector. As much as 1,25,000 km of roads will be upgraded under Pradhan Gram Sadak Yojana under Phase III at estimated cost of Rs 80,250 crore, the finance minister added.