Which of the following statement(s) is/are correct about the ‘Swachh Survekshan’?
1. It was launched by the Union Housing and Urban Affairs Ministry in partnership with NITI Aayog to survey cleanliness, hygiene and sanitation in cities and towns across India.
2. Tirupati has received the best city award in Safai Mitra Surkasha category.
3. The first such survey was undertaken in 2016.
Select the correct codes from below -