The investment is the fourth round of funding by Applied Solar to date.
The money would be spent in technology, equipment and upgrade of existing facilities.
Techno Electric owns a 96.62 per cent stake in Simran Wind Project.
Enzen plans to acquire 3-5 more companies this year.
India is the top destination for IFC's global investment.
The investment is through non-convertible debentures.
The PE firm will invest in the venture through its new infra fund.
The unit is expected to commission the power plant in the last quarter of 2015.
The PE firm is part-exiting in the public issue.
The group already has Inox Leisure and Gujarat Fluorochemicals as listed firms.