1. Which of the following activities are undertaken by the National Mission for Clean Ganga (NMCG) as part of the Namami Gange Programme?
- Development of Sewage Treatment Plants (STPs) along the Ganga River.
- Afforestation activities along the banks of the Ganga.
- Promotion of Ganga Grams (clean villages along the river).
- Establishment of industrial effluent monitoring systems.
Select the correct answer using the code given below: