Gradually we expanded our Products and Services with Technological Brilliance, Premium Quality, Reliability and Cost Effective Products or spares for Water Well, Core Drilling, Mining Rigs and all related tools and accessories. STE Drilling & Exploration Limited and Thirumala International (SS) Limited is one of the sister concern of STE group In INDIA, have the capacity and expertise to drill 4.5 to 12 inch diameter rotary / DTH / MUD Drilling boreholes to depths of 300 meters and rehabilitation of hand pumps and electrical pumps installation for tapping underground hygiene potable water in all terrain, all-wheel-drive vehicles can get our equipment to the most difficult and remote sites to carry out drilling projects.