(1) In fixing the tariff, the Commission shall fix the tariff on the basis, inter alia, of depreciation, appropriate profit, cost of operation of the service, change in consumer price index, royalty, policies of the Government of Nepal in relation to water supply or sanitation service, exchange rate of convertible foreign currency and the matters set forth in Section 11.
(2) In fixing the tariff based on the criteria as referred to in Sub- section(1), the Commission shall also have regard to the overall interest of the users and quality of water, purchasing power of users and standards of service.