India's tax department is poised for a significant revenue increase, potentially around Rs 20,000 crore, as several start-ups, including Flipkart and Pine Labs, explore "reverse flipping" their overseas structures back to India for domestic listings. The department has already collected nearly Rs 10,000 crore from two transactions involving PhonePe and Groww, with PhonePe paying approximately Rs 8,000 crore in taxes after its successful reverse flip in January 2023. Ongoing discussions with stakeholders suggest that additional high-value start-ups could contribute substantially to tax revenues.