Slam Gym Franchise Cost in India (2026): Investing in India's Fitness Revolution India's fitness industry is in the middle of a revolution. What was once considered a niche habit of urban elites has become a mainstream lifestyle aspiration across India's middle class — in metro cities, Tier-2 towns, and even smaller markets. The post-COVID health consciousness surge permanently shifted consumer priorities, and fitness spending is now the fastest-growing discretionary expense category among Indi