DUO-TECH LABORATORIES (P) LTD.
67, New Santoshpur Main Road,, Kolkata - 700075, West Bengal, India
Wellesley House, South Gate, 7 Red Cross Place, Ground Floor,, Kolkata - 700001, West Bengal, India
Centre Point, 21, Hemanta Basu Sarani, Suite No.- 320, 3rd Floor,, Kolkata - 700001, West Bengal, India
1, R.n. Mukherjee Road, Martin Burn House, 5th Floor, Room No. 2,, Kolkata - 700001, West Bengal, India
114, Rabindra Sarani, Bangur Building, Room No.18, 1st Floor,, Kolkata - 700007, West Bengal, India
P-11, New Howrah Bridge Approach Road, 7th Floor,, Kolkata - 700001, West Bengal, India