Pharmaceuticals and Drugs Industry in India was incorporated IDPL in April, 1961 and it has presently three manufacturing plants, one each at Rishikesh, Hyderabad and Gurgaon.
It has two wholly owned subsidiaries namely IDPL (Tamil Nadu) Ltd. Chennai and Bihar Drugs and oreganic chemicals Ltd., Chennai and Bihar Drugs and Organic Chemicals Ltd., at Muzaffarpur.
It has two joint sector undertakings, promoted in collaboration with the respective state governments. These are Rajasthan Drugs and Pharmaceticals Ltd., Jaipur & Orissa Drugs and Chemicals Ltd., Bhubaneshwar.
The Uttar Pradesh Drugs and Pharmaceuticals Ltd., a joint sector undertaking of IDPL has been taken over by Government of UP w.e.f April 1, 2004.
Hindustan Antibotic Plants at Pimpiri (Pune) and Rishikesh deals in Pencillin, Streptomycin and Teracycline.
Synthetic drug plant, Hyderabad deals in Analgesics, anti-T.B. drugs, Vitamins.
Surgical Instrument Plant is located in Chennai.
Hindustan Organic Chemical Ltd., Rasayani (maharstra) has two units.