Shimla, May 22 (ANI): The scorching summer heat of the plains drives tourists to the cool chimes of Shimla, a picture perfect hill-station in Himachal Pradesh to enjoy a pleasant vacation, especially after the frenzy of the general elections. The travel and tourism industry of the state is riding on a wave of optimism, harbouring hopes of immense profits that the influx of large number of tourists is expected to rope in with the mercury dipping to three to four degree Celsius below normal. The tourism industry is highly essential for the region as it boosts the economy and provides employment to a large number of people which includes hoteliers, travel guides, taxi and auto drivers, restaurants, and shopkeepers.