There are seven union territories in India. These are Delhi, Puducherry, Chandigarh, Dadra and Nagar Haveli, Andaman and Nicobar Islands, Daman and Diu and Lakshadweep.

The Preamble reveals the nature of Indian state: It declares India to be a Sovereign, Socialist, Secular, Democratic and Republican polity. Words Socialist, Secular, Integrity were added by 42nd amendment on the recommendation of Sardar swarn singh committee constituted by the late PM Indira Gandhi.

Unitary system is strong and powerful as compared to the federal set-up. Central government strongly controls all the state affairs with a unified command.

In the present era, one rupee is the smallest currency in note form. RBI does not issue one rupee note. It is issued by the Government of India. This is the reason why the one rupee note does not have the signature of the RBI Governor. The one rupee note bears the signature of the Finance Secretary.

Currently, there are 29 states and 7 union territories in India.

The constitution is a set of fundamental principles or established precedents according to which a state or other organization is governed. The constitution of India, USA and Pakistan is written constitution but the constitution of UK is Unwritten.