Suzlon will supply 23 S97 2.1MW turbines to the Jaisalmer site, with the project expected online by March 2017.
Eleven of the turbines will be installed on 120-metre hybrid towers, with the remaining 12 turbines built on 90-metre traditional tubular towers.
Suzlon will also service the turbines for ten years.
According to Windpower Intelligence, the research and data division of Windpower Monthly, IOCL placed a 48.3MW order in 2011 with Suzlon for a project in Andhra Pradesh.
The Indian manufacturer also supplied 14 S82-1.5MW turbines to IOCL's Kutch project in Gujarat, northwest India, which was placed online in 2009.