P&R Infraprojects Ltd. (P&R) is the changed name of P&R Engg. Services, a proprietary firm of a group of companies. P & R was launched in 1986 to leverage its expertise and know-how in design, fabrication and erection of heavy structural steel work of industrial plants, aluminum plants, thermal powers, hydro-mechanical works, chimneys, bridges, bunkers, small hydro projects, tankages, process pipe lines, water conductor systems and associated civil works. Recently P&R have ventured in the field of bio-mass power projects as an independent Promoter.