Khagol 120

No. 120 - October 2019 Long Term Visitors Ajesh Gulati, TMT Project Office, USA; Ninan Sajeeth Philip, Artificial Intelligence Research and Intelligence Systems, Thelliyoor;Adarsh Ranjan, Pune; A. R. Rao, Mumbai; and Sravani Vaddi, Pune. December 2019 Gargee Chakraborty, Amity University, Kolkata; Goutami Chattopadhyay, University of Calcutta, Kolkata; Surajit Chattopadhyay, Amity University, Kolkata; Broja Gopal Dutta, Rishi Ba n k i m Ch a n d r a Co l l e g e , E a s t Kantalpara; G. K. Goswami, Kalyan P. G. Autonomous College, Bhilai; Soumen Mondal, Jadavpur University, Kolkata; Ni kh i l Mukund , AEI , Hannove r, Germany; B. C. Paul, North Bengal University, Siliguri; Anirudh Pradhan, GLA University, Mathura; R. P. P r a j a p a t i , G u r u G h a s i d a s Vishwavidyalaya, Bilaspur, Chattisgarh; Anisur Rahaman, Hoogly Mohsin College; Chayan Ranjit, Egra SSB College, Purba; Sujata Kundu Ranjit, Narula Institute of Technology, Kolkata; Prabir Rudra, Asutosh College, Kolkata; Umesh Kumar Sharma, GLA University, Mathura; Vikram Soni, Jamia Millia Islamia, New Delhi; Vandna Srivastava, MIET, Meerut; Alexei Starobinsky, Landau Institute for Theoretical Physics, Moscow, Russia; Alexei Toporensky, Moscow State University; Gunjan Varshney, GLA University, Mathura; Gautam Venugopalan, Caltech, USA; and R. G. Vishwakarma, Universidad Autonoma de Zacatecas, Mexico. November 2019 G. Ambika, IISER, Tirupati; Tomaso Belloni, INAF-Brera, Italy; Mahasweta Bi swas , I IEST, Shibpur ; Mahesh Chandna, BN University, Udaipur; Philip Charles, University of Southampton, UK; K.P. Harikrishnan, The Cochin College, Kochi; Rinku Jacob, Rajagiri School of Engineering and Technology, Kakkanad; Rutu Kale, NCRA, Pune; Sujay Mate, IRAP Toulouse, France; Ashish Meena, I I SER , Mo h a l i ; Ma n j u s h a P. V. , Government College, Madappali; Gabriele Ponti, INAF-Brera, Italy; Prajesh Purohit, BN University, Udaipur; Pooja Singh Rathore, BN University, Udaipur; Jean Surdej, University of Leige, Belgium; Arman Tursunov, Silesian University in Opava Czech Republic; and Vanzarmawii, Mizoram University,Aizawal. College, Kolkata; Shivam Munshi, Neotech College ofApplied Science and Research, Vadodara; Masum Murshid, Aliah University, Kolkata; P. R. Neha, Baselius College, Kottayam; Mahadev Pandge, Dayanand Science College, Latur; Amit Pathak, BHU, Varanasi; B. C. Paul, North Bengal University, S i l i gu r i ; Nupu r Pau l , J adavpu r University, Kolkata; Devraj Pawar, RJ College, Mumbai; Raj Prince, Raman Research Institute, Bengaluru; Nilofar Rahman, Aliah University, Kolkata; Shantanu Rastogi, DDU Gorakhpur University; B. S. Ratanpal, The MS University of Baroda, Vadodara; Margarita Safonova, IIA, Bengaluru; Gokul Saha, Gokhale Memorial Girls College, Kolkata; Asoke Sen, Assam University, Silchar; Vishant Shah, The MS University of Baroda, Vadodara; R a n j a n S h a r ma , Co o c h B e h a r Panchanan Barma University, Cooch Behar; Rajalakshmi T. R., Mahatma Ga n d h i Un i v e r s i t y, Ko t t a y am; Ma d h a v a n Va r a d a r a j a n , RR I , Bengaluru; Pawan Vynatheya, IISER, Kolkata; and Paul Wiita, The College of New Jersey, USA. 16