1. Research Assistant, Department of Chemistry, Central Ayurveda Research Institute, Guwahati, Assam.
2. Research Officer, Department of Chemistry, Central Ayurveda Research Institute, Guwahati, Assam.
3. Research Officer, Department of Botany, Central Ayurveda Research Institute, Guwahati, Assam.
4. Laboratory Technician, Department of Pharmacology, Central Ayurveda Research Institute, Guwahati, Assam.
5. Assistant Director, Institute In-Charge, Central Ayurveda Research Institute, Guwahati, Assam.