Optical Fibre Construction Work By Trenching/Hdd, Plb Pipelaying, Of Cable Blowing And Allied Works In Different Ofc Routes In Andhra Pradesh, Telangana, Karnataka, Kerala, Tamilanadu States Under O/O Cgm, Cntx-S, Bsnl, Chennai Ofc Construction Work In Different Ofc Routes In Ap, Ts, Ktk, Kl, Tn States Under O/O Cgm, Cntx-S, Bsnl, Chennai
