1. Enhanced Oil Recovery Laboratory, Petroleum Engineering Program, Department of Ocean Engineering, Indian Institute of Technology Madras, Chennai 600 036, India
2. Energy and Environment Research Laboratory, Department of Microbiology, Central University of Rajasthan, NH-8, Bandersindri, Kishangarh, Ajmer 305 817, Rajasthan, India
3. Bio Engineering Laboratory, Department of Biotechnology, Indian Institute of Technology Madras, Chennai 600 036, India