Population 1.12 billion Official Languages Hindi English National Anthem Anthem - Jana Gana Mana National Song - Vande Mataram Capital New Delhi Currency Indian Rupee Government Federal Republic Chief of State/President - A.P.J. Abdul Kalam Vice President - Bhairon Singh Shekhawat Head of Government/Prime Minister - Manmohan Singh Major Airports Mumbai (Bombay) Delhi Chennai (Madras) Kolkotta (Calcutta) Kochi (Cochin) Thiruvananthapuram Miscellaneous Facts Hinduism, Buddhism, Jainism and Sikhism originated here Total Size - 3,166,414 square kilometers / 1,222,559 square miles Country Code - +91 Internet Extension - .in Work Force 509.3 million Work Force by Occupation Agriculture - 60% Industry - 12% Services - 28% Unemployment 7.8% Economy Important trading partners are the United States, EU, China and UAE Industries textiles chemicals food processing steel transportation equipment cement mining petroleum machinery software Exports textile goods gems and jewelry engineering goods chemicals leather manufactures Imports crude oil machinery gems fertilizer chemicals Political parties Bahujan Samaj Party Bharatiya Janata Party Biju Janata Dal Communist Party of India Communist Party of India (Marxist) Dravida Munnetra Kazagham Indian National Congress Janata Dal (United) Jharkhand Mukti Morcha Lok Jan Shakti Party Marumalarchi Dravida Munnetra Kazhagam Nationalist Congress Party Pattali Makkal Katchi Rashtriya Janata Dal Samajwadi Party Shiromani Akali Dal Shiv Sena Telangana Rashtra Samithi Telugu Desam Party