1. Agronomy-Soil Division, CSIR-Central Institute of Medicinal and Aromatic Plants , Lucknow, India
2. Aacademy of Scientific and Innovative Research (AcSIR) , Ghaziabad
3. Analytical Division, CSIR-Central Institute of Medicinal and Aromatic Plants , Lucknow, India
4. Upper Assam Advisory Centre, Tea Research Association , Dibrugarh, India