supply and replacement of ddc system along with field instrument and its erection, installation, testing and commissioning as per ts no. edd/m/075-0041(rev-0) in convertor shop, sms-ii. supply and replacement of ddc system along with field instrument and its erection, installation, testing and commissioning as per ts no. edd/m/075-0041(rev-0) in convertor shop, sms-ii. supply and replacement of ddc system along with field instrument and its erection, installation, testing and commissioning as
