Bidhan Chandra Krishi Viswavidyalay, Kallyani, West Bengal.

Rajendra Agricultural University, Pusa, Bihar.

University of Calcutta (Agricultural Faculty), Calcutta,

University of OUAT , Bhubaneswar, Orissa

University of Kerala (Agricultural R&D Evaluation

Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu

Dr. B.S. Konkan Krishi Vidyapeeth, Maharashtra

Sardarkrushinagar Dandiwada Agricultural University, Gujarat.

Member : Working Group of the Ministry of Agriculture and Co-operation (Soil and Water Conservation), GOI for the preparation of IX Five Year Plan 1996.

External Expert : Indian Space Research Centre, Department of Space, Govt. of India for assessment of candidates.

Expert Member : Project Evaluation, Dept. of Land Resources, Ministry of Rural Development, Govt. of India.

Member : Bureau of Indian Standards, Govt. of India, New Delhi FAD / 9 (Spices & Condiments Sectional Committee)

Member : High Level team of the Planning Commission, GOI to prepare Land Use Plan for Sikkim State

Member :Working Group Ministry for Rural Development & Employment for preparation 9th FYP.

Expert for Assessment : Indian Space Research Organization, Dept. of Space, GOI for Annual Assessment of Scientist.

Sustaining Member : National Instt. Rural Dev., Hyderabad, Govt. of India

Chairman : Five yearly assessment of Technical Staff of ICAR, appointed by Agricultural Scientists Recruitment Board (ICAR), Delhi.

Member : ICAR R & D Committee for Coir / Coconut Fibre on Value Addition Diversification & Technology Refinement.

Member : : Governing Body, C-DOCT – Centre for Development of Coir Technology.

Member : Governing Body, National Coir Research & Management Institute, Govt. of Kerala.

Member : Benchmark Soils of India Project, NBSS & LUP (ICAR)

Chairman :Soil Correlation Committee, Eastern and North Eastern States, India.

Member : ICAR Research Advisory Committee, Soil & Water Cons. Res. Centre, Dehra Dun.

Member : Scientific Advisory Committee (Natural Resources) Centre for Earth Science Studies

Member : ICAR Regional Committee VIII (Southern India)

Member : Quinquennial Review Team (QRT – 2007 TO 2012), NBSS & LUP (ICAR).

Member : Executive Committee, Indian Society of Coastal Agricultural Research, India.

Vice President : Soil & Water Conservation Society of India, Delhi.

Joint Secretary :: Indian Society of Soil Science, Kolkata Chapter

Associate Editor : : “Soil Survey and Land Evaluation”, Journal published by India Geo Books, Regency House, 34, Duke Street, Norwich, NR 3, 3 AP, England.

Member : Scientific Advisory and Implementation Committee for O.R.P (Operation Research Project), Sundarbans, West Bengal CSSRI, Karnel, ICAR.

Member : Sub Committee for Lower Gangetic Planes Region of Planning Commission of preparation of 8th Five Year Plan.

Member : High Level Committee on Biotech and Infotech Application in Agriculture, Govt. of Kerala (Chairman, Prof. R.L. Chopra, former DG, ICAR).

Member : Royal Society of Chemistry, London; Society for Int. Development, Rome; Indian Society of Soil Science Delhi; Indian Society of Soil and Water Conservation, Delhi; Indian Science Congress Association, Kolkata. Indian Society of Coastal Agricultural Research, Kolkata; Indian Association of Soil and Water Conservationists, Dehra Dun; The Indian Association for Productivity, Quality and Reliability, Kolkata; Journal Remote Sensing

1. Science Division of science and Technology, Technology Bhavan (Govt. of India, Delhi

2. Department of Electronics, Electronics Nikethan, Govt. of India, Delhi

3. Ministry of Agriculture soil and Water Conservation Division, Govt. of India

4. Ministry of Rural Areas and Employment Wasteland Development, Govt. of India.

Organised and participated in many seminars, symposium, workshop of National and International Significance in the sphere soil science and soil and water conservation.