According to Mergermarket's India M&A trend report, the USD 64.5 billion total was through 388 deals.
"The country is becoming an increasingly influential M&A market, comprising 8.8 per cent of Asia-Pacific deals - the highest since 2007 (9.4 per cent) and significantly more than the 3.6 per cent market share logged in 2015," Mergermarket said.
The average deal size increased to USD 166.2 million, more than double 2015's average of USD 80.4 million.
Sectorwise, energy, mining & utilities replaced financial services as the most active sector with deals totalling USD 17.1 billion - almost three times that conducted a year earlier and accounting for 26.5 per cent of market share value.
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This was largely fuelled by Essar Group selling a combined 98 per cent stake in Essar Oil to both Rosneft and Trafigura for a combined USD 12.7 billion.
According to Mergermarket intelligence, Sector multiples and valuations in previous years were considered overpriced, but have since reached a more respectable level.
Following a dip in activity in the technology sector last year, 2017 has the potential to improve but is unlikely to reach the heights seen in 2015 as investors wait for a further easing towards more realistic multiples and valuations.