1. a Natural Plants Product Division, Institute of Himalayan Bioresource Technology (CSIR) , Palampur (HP) 176061, India
2. b Biodiversity Division, Institute of Himalayan Bioresource Technology (CSIR) , Palampur (HP) 176061, India
3. c Plant Pathology Division, Hill Area Tea Science Department, Institute of Himalayan Bioresource Technology (CSIR) , Palampur (HP) 176061