Guin Shop Hindustan Park, Kolkata Pashupati Cellular Hindustan Park, Kolkata Hitachi ( Nirmal Udyog) Hindustan Park, Kolkata THE STARLINK Hindustan Park, Kolkata Rumpa Nayak Automobile Hindustan Park, Kolkata Super Ozone Generators (India) Hindustan Park, Kolkata Cesc Limited Hindustan Park, Kolkata A. Giri Electricals Hindustan Park, Kolkata Vodafone Hindustan Park, Kolkata Reliance Digital Hindustan Park, Kolkata