Powar got the charge after former domestic cricketer Amit Pagnis, who was initially appointed as Mumbai coach, quit from his position following the team's dismal show in the Syed Mushtaq Ali Trophy.
Ex-cricketers Lalchand Rajput, Raju Kulkarni and Sameer Dighe included in MCA's Cricket Improvement Committee
Rajput will head the committee, informed an MCA Apex Council member, who attended the Apex Council meeting.
A senior MCA official said that the CIC has to have a minimum of three members.
Saurashtra Cricket Association secretary Himanshu Shah confirmed Ghavri's appointment.
Ranji Trophy 2018-19: Former Mumbai captains to meet and discuss team's dismal performance in tournament
Post the disappointing show, MCA officials, along with CIC members Raju Kulkarni, Kiran Mokashi and Sahil Kukreja, had spoken to senior players like Surya Kumar Yadav, Siddhesh Lad, Akhil Herwadkar and coach Vinayak Samant.
The new Cricket Improvement Committee (CIC) of the Mumbai Cricket Association (MCA) on Thursday roped in former batting great Sachin Tendulkar as a special invitee to attend its meeting and share valuable tips and views whenever he is available in the city.