Calcutta or Kolkata is a city that means many things to many people. For some, Kolkata is the city of joy, while for others it is dirty, crowded, and noisy. Once the greatest colonial city in the Orient, Kolkata was later revealed as a cauldron of poverty, dirt, and disease. Today, it ranks among the four major metropolis of India along with Delhi, Mumbai, and Chennai. Kolkata in recent is catching up with other major cities in India to attract new-age businesses and adopting fast the business culture of the modern world. Kolkata is also gateway to the Buddhist Sector of East India and hill resorts of North East India like Darjeeling, Gangtok, and Shillong.