Under World Bank scheme, Upgradation and renovation of hospitals under State health department Govt of West Bengal.
Design drawings for various Office Building
Landscaping for IOCL, Barauni Refinery, India.
Piping layout, fire fighting equipments, Heat exchangers, pressure vessels and other process equipment for IOCL (Barauni, Haldia, India.)
Air Pollution Centrifugal Fan design and drawing for aBB, Alsthom.
Preparing Layout design of ducts for Thermex and Andrew Yule, Calcutta, India.
Sheet Metal parts drawing for automobiles.
Material handling equipment's for Hindustan Motors, India.
As built drawings of electrical circuits and power distribution for Madura Coats, Mother dairy- Calcutta, India.
Software training on AutoCAD and preparing drawings on those software for Alsthom, IOCl- India.

To name a few.

Asea Brown Boveri Ltd.
Alstom Ltd. Taratalla Works.
Alstom Ltd. Salt Lake Works.
ATI Das Nagar.
Andrew Yule Co. Ltd.
Balmer Lawrie & Co Ltd.
Bengal Tools Ltd.
Bharat Petroleum Corporation Ltd. (Registration under process)
British Oxygen Corporation India Ltd.
Damodar Valley Corporation
GA-DANIELLI (I) Ltd.
Alstom Ltd. Salt Lake Works.
Hindustan Motors Ltd.
Hindustan Steel Construction Ltd. (Registered)
Indian Oil Corporation Ltd. ( Haldia & Barauni Refinery / Dhakuria)
Kiswok Industries Pvt. Ltd.
Madura Coats Limited
Metallurgical & Engineering Consultants (I) Ltd.
Mother Dairy
Subhash Projects & Marketing Ltd.
SIMOCO Ltd.
State Health Systems Development Project II Salt Lake. (A World Bank Funded Project.)
Thermax India Ltd.
Many others.