Chennai: Tamil Nadu Chief Minister M K Stalin on Tuesday took a swipe at Prime Minister Narendra Modi on savings through Goods and Service Tax slab restructuring, and said families would have saved many lakh crores of rupees more had the reforms been initiated eight years ago. The Prime Minister has said Indians will save Rs 2.5 lakh crore through GST reform and Income Tax relief. If these measures had been taken eight years ago, families across the country would already have saved many lakh crores more," Stalin said. India implemented the GST reforms, termed 2.0 and "GST Bachat Utsav", effective from September 22. The Chief Minister further said, "India cannot grow by punishing states that defend their rights and stand for their people.