Boiler Auxiliaries Plant, Indira Gandhi Industrial Complex, Ranipet-632406, Vellore Dist. (Tamil Nadu), India. Tel Fax: +91-4172-241103

Industrial Systems Group, P.B. No. 1249, Prof. CNR Rao Circle, Opp. Indian Institute of Science, Malleswaram, Bangalore-560 012, India. Tel: +91-80-23365100, Fax: +91-80-23562713

Power Sector Northern Region, HRD & ESI Complex, Plot No. 25, Sector 16-A, NOIDA-201 301 (U.P.), India. Tel: +91-120-2515469, +91-120-2515470 & +91-120-2515471 Fax: +91-120-2515467

Power Sector Eastern Region, BHEL Bhawan, Plot no DJ-9/1, Sector-II, Salt Lake City, Kolkata 700 091, India. Tel: +91-33-23216130, Fax: +91-33-23211576.

Power Sector – Southern Region Tek Towers, No. 11, Old Mahabalipuram Road Okkiyam Thoraipakkam, Chennai – 600097, India. Tel: +91-44-24589550

Heavy Power Equipment Plant, Ramachandrapuram, Hyderabad-502 032, India. Tel: +91-40-23182300 (Gen.), Fax: +91-40-23020133.

Heavy Power Equipment Plant, Ramachandrapuram, Hyderabad-502 032, India. Tel: +91-40-23182300 (Gen.), Fax: +91-40-23020133.

High Pressure Boiler Plant, Tiruchirappalli-620 014(Tamil Nadu), India. Tel: +91-431-252-0311 (Gen.) Fax: +91-431-252-0710, +91-431-252-0383, +91-431-252-0505

Corporate Research & Development Division, Vikas Nagar, Hyderabad 500 093, India. Tel.: +91-40-23774494), Fax: +91-40-23776320

Boiler Auxiliaries Plant, Indira Gandhi Industrial Complex, Ranipet-632406, Vellore Dist. (Tamil Nadu), India. Tel Fax: +91-4172-241103