Electricity bill by Vodafone M-Pesa

Electricity consumers in West Bengal, of both CESC and state-owned WBSEDCL, can pay their bills instantly through Vodafone M-Pesa.
"Vodafone M-Pesa has partnered with two electricity distribution companies CESC & WBSEDCL, offering easy-to-use option to pay their electricity bills instantly through a cashless, secure platform for electricity bill payments with the largest network of agents (or CashIn Points) to enable digitization of money," a Vodafone statement said.
Vodafone has more than 16,000 outlets or CashIn Points including Vodafone company owned stores, franchisees, and multi brand outlets in the state. These CashIn Points provide convenience and ease to Customers to convert cash into digital money facilitating digital payment of Bills and e-commerce, the company said.

The release does not speak about charges for the electricty payment, if any.
M-Pesa is available for both smartphones and feature phone users.