Department of Geography
Patliputra University, Patna
University Department of Geography
Lalit Narayan Mithila University
Geography
Aditi Mahavidyalaya
Urban Studies Foundation, United Kingdom
International Geographical Union
Russian Geographical Society.
Urban Studies Foundation, United Kingdom
International Geographical Union
Russian Geographical Society.
Life Member
Life Member
Life Member
Life Member
Secretary and Treasurer
Secretary and Treasurer