ABACUS CLASSES ISO CERTIFIED
145/1, , Gobindo Nibas, Jyangra , Baguihati, , Kolkata - 700059, West Bengal, India
Sector 1, Ab 30, Ground Floor, , Kolkata - 700064, West Bengal, India
209, Karnani estate, A J C Bose Road, Circus Avenue, , Kolkata - 700017, West Bengal, India
Ad 57, Sector 1, Ground Floor, , Kolkata - 700064, West Bengal, India
Upendra Bhawan, Sonarpur, Sahebpara Road, , Kolkata - 700150, West Bengal, India
AJ 300, Kathgola Island, Sector 2, Saltlake, Salt Lake City Sector 2, , Kolkata - 700091, West Bengal, India