No 12, Ground Floor,
25th Cross Street,Thiruvalluvar Nagar,
Thiruvanmiyur,
Chennai, Tamil Nadu - 600041
1/4, Justice Dwarkanath Road,
Kolkata ,
West Bengal - 700 020
UNICOM R&D House ,
One Oxford Road ,
Uxbridge,
Middlesex ,
UB9 4DA ,
UNITED KINGDOM