Sasane said negotiations between trustees and Ramani had been on for almost a year.
Ramani was not available for comment but the chairperson of the trust, Jayant Sasane, confirmed the donation.
KV Ramani, the CMD of Future Software, will be donating the money to the Shri Saibaba Sansthan for the construction of a Bhakta Niwas,a residential complex for devotees on January 10.
A Chennai-based information technology industrialist has promised to donate Rs 100 crore to the Sai Baba temple trust in Shirdi.Sources in the cash-rich temple trust said it was the biggest ever donation in its history.