Aishwarya Singh¹, Basudev Swain², Sachchida Nand Tripathi³, Mira L. Pöhlker⁴, James D Allan⁵, Gordon McFiggans⁶, Ulrich Pöschl⁴, Hang Su⁷, Scot T Martin⁸, Meinrat O Andreae⁹, Ravikrishna R¹⁰, Yafang Cheng¹¹, Hugh Coe⁶, Pengfei Liu¹² and Sachin S Gunthe¹³, (1)Indian Institute of Technology Madras, Laboratory for Atmospheric and Climate Sciences, Chennai, India, (2)University of Oxford, Department of Physics, Oxford, United Kingdom, (3)Indian Institute of Technology Kanpur, Department of Civil Engineering, Kanpur, India, (4)Max Planck Institute for Chemistry, Multiphase Chemistry Department, Mainz, Germany, (5)Department of Earth and Environmental Sciences, The University of Manchester, Manchester, United Kingdom, (6)University of Manchester, Department of Earth and Environmental Sciences, Manchester, United Kingdom, (7)Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, (8)Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States, (9)King Saud University, Department of Geology and Geophysics, Riyadh, Saudi Arabia, (10)Indian Institute of Technology Madras, Department of Chemical Engineering, Chennai, India, (11)Max Planck Institute for Chemistry, Minerva Research Group, Mainz, Germany, (12)Georgia Institute of Technology, School of Earth and Atmospheric Sciences, Atlanta, United States, (13)Environmental Engineering Division, Department of Civil Engineering, Indian Institute of Technology Madras, Chennai, India