India, Sept. 5 -- The changes in the Goods and Services Tax regime is a double dose of support and growth for the nation and the next-generation reforms have been done to support India's progress in the 21st century, Prime Minister Narendra Modi said on Thursday, a day after the GST Council approved the most sweeping overhaul of the country's consumption tax since its 2017 launch.

Modi's comments came even as experts said the rate cuts will boost domestic demand , offset the impact of US tariffs in businesses such as textiles and leather , and may increase real gross domestic product (GDP) from existing estimates of 6.5% to 6.7% in 2025-26.

"Without timely reforms, our country cannot claim its rightful place in today's global landscape....