1st Extension SRM e-Tender for AMC for Cleaning of the premises of the 500KV HVDC TL O&M Division along with HVDC TL O&M S/Dn Cpur, HVDC TL O&M S/Dn Ytl & 400KV S/Dn Cpur, Security office, Parking Shed in front of Lines Office, Line site Stores Chandrapur for 2 years (2021-22, 2022-23) (2nd call)