Naval Physical and Oceanographic Laboratory Defence Research and Development Organisation Thrikkakara, Kochi 682 021, India.Phone +91 484 257 1703, 242 4997 Email: tsonpol@vsnl.com
XI/364A Mythripuram Cross Road, Thrikkakara, Kochi 682 021, India. Phone +91 484 242 7239 Email: dd_ebenezer@yahoo.com
