A tax holiday is a temporary period during which a government exempts eligible businesses, industries, or investors from paying certain taxes — typically corporate income tax, customs duties, or GST — as a deliberate policy tool to incentivise economic activity, attract investment, promote industrialisation in underdeveloped regions, or support specific strategic sectors. In India, tax holidays have historically been offered to Special Economic Zones (SEZs) under Section 10AA of the Income Tax Act, to infrastructure companies under Section 80-IA, to startups under Section 80-IAC, and to manufacturing units established in notified backward areas. For equity analysts and investors on Ventura Securities, the existence of a tax holiday significantly affects a company's reported effective tax rate and post-tax earnings — making it essential to model the expiry date of the holiday and the resulting step-up in tax burden when forecasting future earnings. The termination of a tax holiday can represent a meaningful headwind to earnings growth that is sometimes underappreciated by the market until it materialises.