Q. Which of the following green cracker(s) has/have been developed by CSIR-NEERI to resolve the crisis of air pollution?

1. SAFAL
2. SWAS
3. STAR

Choose the correct answer using the codes given below:
Answer: 1, 2 & 3
Notes: Barium salts, including barium nitrate, are banned in firecracker manufacturing. CSIR-NEERI developed three green crackers: SAFAL (Safe Minimal Aluminium), which produces 35% less particulate matter. SWAS (Safe Water Release), generating 30-35% less by releasing water vapor. and STAR (Safe Thermite Cracker), which results in 35-40% less particulate matter compared to conventional crackers.