The chaat vendors around sadar bazaar serve authentic stuff, not the watered-down tourist versions. Look for the stall with the biggest crowd of locals near the post office - aloo tikki chaat ₹30, papdi chaat ₹25. The chutneys have real heat and complexity

Kulfi falooda guy sets up around 5pm near the same area. Been there 20+ years according to everyone. Just point and pay, zero english needed but the food speaks for itself