Sethsiripaya, Battaramulla
No. 170, High Level Road,, Nugegoda.
47/5 Maitland Place,, Colombo .
Public Health Complex 555/5, Elvitigala Mawatha Narahenpita, Colombo 05
P.O Box 1748, No 40, Nawala Road,Narahenpita, Colombo 05
National Intellectual Property Office of Sri Lanka. 3rd Floor, \"Samagam Medura\" 400, D.R.Wijewardena Mawatha, Colombo 10.
No.100/7, Independent Avenue,, Colombo-07