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Vikas belongs to family of liquid fuelled rocket engines conceptualized and designed by ISRO’s Liquid Propulsion Systems Centre in the 1970s.
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The design was based on licensed version of Viking engine with chemical pressurisation system.
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It is the workhorse liquid rocket engine powering second stage of India’s Polar Satellite Launch Vehicle (PSLV), second stage and four strap on stages of Geosynchronous Launch Vehicle (GSLV) and is part of first stage i.e. twin engine core liquid stage (L110) of GSLV Mk-III.
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The recently tested high thrust version of Vikas engine will improve payload capability of PSLV, GSLV and GSLV Mk-III launch vehicle.
