Find the top electricity providers in Mumbai offering reliable service, competitive rates, and excellent customer support. Choose the best provider for your needs. Online Leave and Compensatory Credit System (OLCCS) for BEST Undertaking employees to manage leave and compensatory credits effectively. BEST 1 st Floor, BEST Bhavan, BEST Marg Colaba, Mumbai – 400 001 Email : electric [at]bestundertaking [dot]com Phone : 22873962 Website : http://www.bestundertaking.com The electricity rate per unit in India varies across states, consumer categories, and usage slabs. Domestic rates can range from as low as ₹2 to ₹3 per unit for minimal consumption to ₹8 or more for higher usage. Commercial and industrial consumers typically pay higher tariffs, ranging from ₹6 to ₹18 per unit. The state electricity regulatory commissions set these rates annually, based on account production costs, fuel surcharges, and infrastructure expenses.