This is the first instance of a private equity interest in Indian exploration sector. : In a first sign of private equity (PE) interest in exploration and production in India, little-known Chennai-based Invenire Energy has taken over Tata Sons oil and gas arm Tata Petrodyne (TPL) in a $100-million deal. Miami-based Atyant Capital holds a majority stake (two-thirds) in Invenire, incorporated in 2016.