Currently, TPC's own power costs an average Rs 4.50 per unit, while electricity from outside costs between Rs 7 and Rs 12.
Tata Power sets up camps to explain the benefits of switchover for low-end consumers from their current supplier.
After Singapore this is the second such nodal office opened by the new group chairman.
While study was done before the current boardroom battle began, the findings indicate Tata is no longer viewed as aspirational brand by working professionals.