In a first, the Tata Institute of Fundamental Research Balloon Facility (TIFR-BF), Hyderabad will send an indigenously designed and manufactured hybrid Weather Balloon into the coldest region of the atmosphere. The weather balloon will carry a record payload of 90 kg to the boundary layer of the upper-troposphere lower-stratosphere (UTLS) region over Asia, which is also called the Asian Tropopause Aerosol Layer (ATAL).