Zargar, Arif Nissar2025-01-032022-05-01http://ir.iitd.ac.in/handle/123456789/6257enBiodesulfurizationBionitrogenationDearomatizationHydrogenationElemental analysisSpectroscopyMicroplate assayHaemolytic assaySilver stainingCoomassie stainingAsphaltene biotransformation for heavy oil upgradation by a defined microbial consortiumThesis