1. Development, Research, Education and Working Plans, Assam Forest Dept, Aranya Bhawan, Panjabari; Guwahati, Assam India
2. Landscape and Cosmetic Maintenance Section, Architectural and Structural Engineering Division, Bhabha Atomic Research Centre; Trombay, Mumbai, Maharashtra India
3. Dept of Botany, Nagaland Univ; Lumami, Nagaland India