From 6th August 2015 continuing: Vice Chancellor, Central University of Tamil Nadu, Thiruvarur-610101, Tamil Nadu
May 2015 to August 2015: “Distinguished Scientist Chair” at the Institute of Life Sciences, Department of Biotechnology, Government of India, Bhubaneswar – 751 023
March 2015 to April 2015: Scientist in the World Health Organisation (South East Asia Regional office).
March 2014 to September 2014: Scientist in the World Health Organisation (South East Asia Regional office).
February 2009 to September, 2013: Regional Adviser, WHO/ SEARO, New Delhi: Worked Regional Adviser on Vector Borne and Neglected tropical disease control in South East Asia Region. Managing programmes on vector borne diseases like: integrated vector management, vector borne diseases like malaria vector control, lymphatic filariasis, kala-azar, dengue & chickungunya, schistosomiasis, other NTDs, tropical disease research, climate change impact on communicable diseases. Networking of centres of expertise in tropical diseases in India, Bangladesh, Nepal, Myanmar, Sri Lanka, Thailand and Indonesia. Strengthened technical and research capacities in these countries in South East Asia Region. Developed strategies / guidelines / policies on control and management of the above mentioned diseases.
(November 2007 to February 2008): Temporary International Professional at WHO/SEARO, New Delhi; in the Malaria unit of the communicable diseases)
1998 – 2009: Heading various National Research Institutes under Department of Biotechnology (DBT), Government of India and the Indian Council of Medical Research(ICMR)
Director, National Institute of Malaria Research (ICMR), New Delhi, India (2004 – 2009): Research Areas: transmission biology of malaria, studies on malaria diagnostics and drug combinations, accessible to antimalarials, maintaining malaria parasite bank and insectary, bio informatics and GIS studies on malaria, malaria vector ecology, bionomics, behavior and control, insecticide resistance in malaria vectors. Malaria vector taxonomy and distribution on different eco systems. Environmental management and malaria vector control. Monitoring and surveillance of malaria. Insecticide resistance prevention and management, research publications on malaria in peer reviewed journals and finalizing various reports. Laboratory and field trials of vector control agents, diagnostics and drug combinations. Developed an uniform protocol for trial of vector control agents. Developed vector control technologies and transferred to the programme. Epidemiology of malaria in various paradigms
Director, Institute of Life Sciences (Department of Biotechnology, Govt. of India), Bhubaneswar, India (1998 – 2003): Research areas: molecular biology of malaria and other vector borne diseases. Host parasite interactions.
Director, Regional Medical Research Centre (ICMR), Jabalpur, India (2003 – 2004 and 2004 – 2005 : additional charge): Research Areas: malaria epidemiology among tribals, genetic disorders and malaria vector control.
Director, Desert Medicine Research Centre (ICMR), Jodhpur, India (2008 – 2009: additional charge): Working on desert malaria
Director, Centre for Research in Medical Ent. (ICMR), Madurai, India (2004 – 2006: (additional Charge)
Planning, execution and supervision of all activities ,establishing state of art laboratories, networking with global organisations, experimenting newer technologies and transferring them to the national prorammes, establishing community involvement in disease control programmes; in the above institutes. WORKING ON MALARIA AND OTHER VECTOR BORNE DISEASES (Kindly see the list of publications). During the tenure as a Director at different institutes for more than 11 years, created a brand name for the institutes; nurtured and provided opportunities for a new group of academicians who excel in innovation and research; creating students who are valued not only in the country but internationally; steeped in communities seeking their involvement in research and disease control programmes of the country; created world class infrastructure and innovative research methodologies which were enabling factors for scientists to become an important part of the community; concentrated on enhancing communication skills as well as IT skills of researchers and emphasized on gender enabling and human right access and value the ethics and equity in its actions.
1983 – 1998: Deputy Director (Sr Grade), Deputy Director, Asst. Director and Senior Research Officer at the Regional Medical Research Centre, Bhubaneswar, India. Heading Department of Medical Entomology & Parasitology . Working on malaria and other vector borne diseases. Undertaking a Ph,D programme
1978 – 1983: Senior Research Officer and Team Leader of the ICMR Field Operational Research Project on Malaria in Orissa / Bihar Boarder Complex in 150000 populations. Working on persistence transmission of malaria in Orissa / Bihar Border complex in India. Studies included malaria epidemiology, transmission biology and vector control.
1974 – 1978: Senior Research Fellow and Research Scholar at the Department of Zoology, Utkal University, Bhubaneswar, India. Did Ph.D. on vector biology and control