NEOSA ELECTRONICS (P) LTD.
158 S.P. MUKHERJEE ROAD
KOLKATA - 700026
T:(033) 40159515/40159525
ZEICOM TECHNOLOGIES PVT. LTD.
173 BANGUR AVENUE BLOCK 'C'
KOLKATA - 700055
T:(033)25742716/25742717
NAV TECHNOLOGY PVT. LTD.
130A BAGMARI ROAD NEAR BAGMARI KABARSTHAN
KOLKATA - 700054
T:(033) 23551689/23551690