EXPRESSION OF INTEREST (EOI) No: OTPC/GT/DEL/25-26/001 for SUPPLY OF REFURBISHED ROTOR FOR 9FA.03 GAS TURBINE, ROTOR LIFE EXTENSION OF 9FA.03 GAS TURBINE AND LONG-TERM PARTS SUPPLY & SERVICE SUPPORT OF 9FA.03 GAS TURBINES (2 NOS.)