Kolkata (also known as Calcutta) once the capital city of India under the British Raj, famous for colonial architecture, museums, art galleries, traditional food, music and theatre, an amalgamation of traditional and modern. The city is almost 300 years old and is an eclectic mix of the splendid decaying past and the promising new future, known as the cultural hub that has produced some of the best writers, poets, performing artists and works of literature. As a foodie capital best known for its street foods, What Bangkok is to Thailand, or Osaka is to Japan, is what Kolkata is to India. There are many Mosques in Kolkata famous for their mesmerizing Indo-Islamic architecture and heritage. The British had built amazing buildings during their heydays and today Kolkata flaunts the colonial-era architecture with pride.  Sundarbans, located just around 80 km from the city, the place is of universal importance for globally endangered species including the Royal Bengal Tiger. Sundarban National Park in the Bay of Bengal is the world’s largest delta region and largest single block of tidal mangrove forest, listed world heritage site by UNESCO, the pristine natural beauty and the simplistic charm of the region also make it a hit among the travellers.