Kolkata is one of the major financial and commercial hub of East India. It shelters Calcutta Stock Exchange, national organisations, military and commercial port, domestic and multinational companies such as Exide Industries, Emami, Eveready Industries, Berger Paints, Pricewaterhousecoopers India, Birla Corporation ITC Limited, Calcutta Electric Supply, Lux, Philips India, Tata Global Beverages, Tata Steel, banks like Allahabad Bank, UCO, UNB or United Bank of India, public sector includes Coal India Limited, Zoological Survey of India, National Insurance Company, Tea Board of India etc.