Stock market today, Sept. 22 -- The landmark introduction of the Goods and Services Tax (GST) in 2017 converted India's domestic market, fragmented by multiple regional taxes and border checkpoints, into a single entity.

Eight years down the line, the tax regime is undergoing a significant revamp, which takes effect on Monday, 22 September. It is expected to boost India's biggest growth driver - private final consumption expenditure or household spending. Official estimates suggest it could lead to Rs.2 trillion of extra consumption demand.

According to stock market experts, GST 2.0 has the potential to act both as an economic catalyst-by simplifying compliance, lowering costs, freeing up blocked working capital, and boosting consumptio...