India's new tax arrives at last - so what does it mean?

India's population of almost 1.5 billion people live in 29 separate states, each of which has its own tax arrangements, but not for much longer.

The whole system is being replaced by a so-called Goods and Services Tax. So what does it mean for India? We put the BBC's India business team to the test.

Produced by Jaltson AC and Suranjana Tewari