SISTEMA SHYAM TELESERVICES LTD.
Dl-51, Ps Srijen Techpark, Green Building, 9th Floor, Sector-5, Salt Lake,, Kolkata - 700080, West Bengal, India
31/28, Ground Floor, K.b. Sarani, Dum Dum,, Kolkata - 700080, West Bengal, India
47c/1-b, Bally Gunge, Terrace Road,, Kolkata - 700029, West Bengal, India
Shop No 41, Anandeep Apartment, Ground Floor, H Road, Anandapuri, , , Kolkata - 700122, West Bengal, India
40, Mirza Ghalib Street, Dist-,, Kolkata - 700016, West Bengal, India
6, Ground Floor, Congress Exhibition Road, Park Circus,, Kolkata - 700017, West Bengal, India