NHPC has extended a financial aid of Rs 3 crore towards CM Relief Fund of Sikkim for the victims of flash flood. The financial aid was presented to Sikkim Chief Minister Prem Singh Tamang by L K Tripathi, Executive Director (Region-Siliguri); C R Das of Teesta-V Power Station; Lhendhup Lepcha of Teesta-IV Hydro Project along with senior officials of Teesta-VI HE project at Gangtok on Tuesday, Ministry of Power said in a statement.