Consider the following:
1. Launching of National Air Quality Index
2. E-Waste Management Rules, 2022
3. Shifting from BS-IV to BS-VI fuel standards
4. Bio-medical Waste Management Rules, 2016
Which of the above measures were taken to control Air and solid-waste pollution?
1
1, 2 and 3 only
2
1, 2, 3 and 4
3
2 and 3 only
4
1 and 4 only