div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Cover GHZ Dec 2019Koushik Biswas Executive Member Sr Geophysicist S Frontier Basin ONGC Academy Building KDMIPE Campus Kaulagarh Road Dehradun Cell:9410391891 Email:koushikbiswas59@gmailcom src=https:reader034vdocumentinreader034viewer20220424125f2baa39ab5faf16202bbaa3html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: Cover GHZ Dec 2019Koushik Biswas Executive Member Sr Geophysicist S Frontier Basin ONGC Academy Building KDMIPE Campus Kaulagarh Road Dehradun Cell:9410391891 Email:koushikbiswas59@gmailcom src=https:reader034vdocumentinreader034viewer20220424125f2baa39ab5faf16202bbaa3html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: Cover GHZ Dec 2019Koushik Biswas Executive Member Sr Geophysicist S Frontier Basin ONGC Academy Building KDMIPE Campus Kaulagarh Road Dehradun Cell:9410391891 Email:koushikbiswas59@gmailcom src=https:reader034vdocumentinreader034viewer20220424125f2baa39ab5faf16202bbaa3html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: Cover GHZ Dec 2019Koushik Biswas Executive Member Sr Geophysicist S Frontier Basin ONGC Academy Building KDMIPE Campus Kaulagarh Road Dehradun Cell:9410391891 Email:koushikbiswas59@gmailcom src=https:reader034vdocumentinreader034viewer20220424125f2baa39ab5faf16202bbaa3html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdiv