Firoz K Badesab¹, Pawan Dewangan¹, Virsen Gaikwad¹, Myriam Annie Claire Kars², M Kocherla¹, Ramprasad Tammisetti³, Aarbaz Khan¹, Kaveri Salunke¹, Deenadayalan Kannan⁴ and Pushpendra Kumar⁵, (1)CSIR - National Institute of Oceanography,Goa, India, Dona Paula, Goa,, India, (2)Kochi University, Center for Advanced Marine Core Research, Nankoku, Japan, (3)CSIR - National Institute of Oceanography, (Retd.), Goa, India, (4)Indian Institue of Geomagnetism, Panvel, Mumbai, India, Panvel, Navi Mumbai, India, (5)Oil and Natural Gas Corporation Ltd, Institute of Engineering and Ocean Technology, Panvel, Navi Mumbai, India