the legislating affairs in the india constitution have been enlisted into
Federalism in India Union List consists of 100 items (previously 97 items) on which the parliament has exclusive power to legislate including: defence, armed forces, arms and ammunition, atomic energy, foreign affairs, war and peace, citizenship, extradition, railways, shipping and navigation, airways, posts and telegraphs, telephones, wireless and broadcasting, currency, foreign trade, inter-state trade and commerce, banking, insurance, control of industries, regulation and development of mines, mineral and oil resources, elections, audit of Government accounts, constitution and organisation of the Supreme Court, High Courts and union public service commission, income tax, custom duties and export duties, duties of excise, corporation tax, taxes on capital value of assets, estate duty, terminal taxes.[4][1]