1. Communicable Disease Research Laboratory, St. Joseph's College, Irinjalakuda, India
2. Microbial Process and Technology Division, National Institute for Interdisciplinary Science and Technology
3. Rajiv Gandhi Centre for Biotechnology, Jagathy, Trivandrum – 695 014, India CSIR, Trivandrum-695 019, India
4. CSIR- Indian Institute of Toxicology Research (CSIR-IITR), 31 MG Marg, Lucknow-226001, India