Explanation:

UnionList

The Union List is the longest of the three lists. It lists 97 subjects on which the Union Parliament can pass laws. The effective strength of the Union List is now 98. The main subjects of the Union List are: Defense, Foreign Affairs, Currency and Coinage, War and Peace, Atomic Energy, National Resources, Railways, Post and Telegraph, Citizenship, Navigation and Shipping, Foreign Trade, Inter-State Trade and Commerce, Banking, Insurance, National Highways, Census, Election, Institutions of higher education and others.