Overhaul works on Boiler pressure parts for replacement of eroded water wall, DNP, SH, Platen SH tubes, carrying out cracked fin welding where ever required during D metre survey, Cleaning and clearing the debris and inspecting the orifices inside the Bottom ring Header of Boiler of Unit- 7/ Stage- IV/ Dr. NTTPS during Annual Overhaul period 2024- 25.