Value of deals sees a 59% rise over the $15.4 billion India received in the previous year. : Mumbai: The private equity sector has seen robust growth in 2017 with average deal size doubling in the year although deal volume declined. Overall deal volume fell by 22% to 570 deals in 2017 from 726 in the previous year, even as the average deal size surged to $42.8 million from $21.2 million.