1. PETROTECH SOCIETY CHAPTERUNIVERSITY OF PETROLEUM & ENERGY STUDIESDEHRADUN 2. (www.petrotechsociety.org)PetrotechSociety is a non-profit organization registered under…
1. PETROTECH SOCIETY CHAPTERUNIVERSITY OF PETROLEUM & ENERGY STUDIESDEHRADUN 2. (www.petrotechsociety.org)PetrotechSociety is a non-profit organization registered under…