We can clean India by just keeping our surroundings neat and clean and by throwing waste material in bins.and  we should make people aware of SWACH-BHARAT

Spread awareness ! But before doing that .. Try to practice hygeine urself. Seeng some1 contaminating the surrounding, u should have the sense of responsibility of walking upto that person n making him/her realise that wats being done is wrong.
Start asap ! All the best
First step which we can take tomake India clean is to start from ourself if we are clean our home is clean so then only we can go ahesdto clean . secondly  we can make others to see that how much our nation needed the progress and in which feild.