"TripIndex Cities" an annual survey by TripAdvisor, a travel portal, compared the cost of a three-night break during the summer travel months of June to August.The survey conducted in Delhi, Mumbai, Bangalore, Chennai,Pune, Hyderabad, Jaipur, Kolkata and Chandigarh took into account typical costs for two people.These include a four-star hotel for three nights, lunch each day, a taxi to and from dinner each day, plus the cost of dinner itself.