M/S DRILLCON started as a partnership company and was later merged with DRILLCON INFRASTRUCTURE PVT.LTD and having its registered office at, #11, Pollock street, fifth floor, KOLKATA, 700 001 and Operational office at 3-C,Ragini Residency, Kondapur , Hyderabad 500084. It was founded in the year 1975 by Shri. S.K. CHAKRAVORTY, a qualified engineer, was with the Orissa State Govt. posted at Balimela Hydro electric Project. He resigned from service in 1975 and started on his own with a very modest beginning. Over the years the firm grew from strength to strength in technical competence, machinery capabilities and financial wisdom.