YOU CAN CHANGE ONE

Don't use Facebook, WhatsApp and other social networks for more than 15 mins.

Using 15 mins per day, you'll lose ~5,400 mins(15*24=5475) in one year. Which is 90 hours. And it is JUST 15 mins. Majority of India spends about 2 hours daily. Which becomes ~730 hours per year. (It's ~30 days)
It shows u lose 1month in 1yr..

Choose your own way.