[1] Univ Calcutta, Dept Zool, Kolkata 700019, India
[2] Darjeeling Govt Coll, Post Grad Dept Zool, Parasitol & Med Entomol Lab, Darjeeling 734101, India
[3] Bagnan Rural Hosp, Bagnan 711303, Howrah, India
[4] Inst Post Grad Med Educ & Res, Dept Endocrinol, Kolkata 700020, India
[5] Inst Life Sci, Bhubaneswar, Orissa, India