SITC of CO2 based fire detection and suppression system of Stage I and II (Renovation and Modernization) and SITC of Digital weight monitoring module in 72 Nos CO2 Cylinders of Stage-I of Salal Power Station SITC of CO2 based fire detection and suppression system of Stage I and II (Renovation and Modernization) and SITC of Digital weight monitoring module in 72 Nos CO2 Cylinders of Stage-I of Salal Power Station