B.R. Ambedkar is considered as the chief architect of Indian Constitution including the Preamble in the Constitution. Indian Constitution is the second-longest written constitution in the whole world after the Constitution of Alabama. The Indian Constitution has been written in about 145,000 words. During the initial commencement of the Indian Constitution, it consists of 395 Articles in 22 Parts and 8 Schedules. Whereas now the Constitution of India has been modified many time, total 101 Amendments have been made in the Indian Constitution, and the latest amendment came in effect on July 1, 2017.
All the 395 Articles are grouped as follows:
Part I - States and Union Territories
Part II - Citizenship
Part III - Fundamental Rights
Part IV - Directive Principles of State Policy
Part IVA - Fundamental Duties
Part V - The Unions
Part VI - The States
Part VII - In the First Schedule States are in part B
Part VIII - Union Territories
Part IX - The Panchayats
Part IX-A - The Municipalities
Part IX-B - The Co-operative Societies
Part X - The Scheduled and Tribal Areas
Part XI - Relation between the Union and States
Part XII - Finance, Property, Contracts, and Suits
Part XIII - Trade, Commerce, and within the Indian Territory
Part XIV - Services under the States and the Union
Part XIV-A - Tribunals
Part XV - Elections
Part XVI - Special Provisions formulated over certain Classes
Part XVII - Official Language
Part XVIII - Emergency Provisions
Part XIX - Miscellaneous
Part XX - Amendments in the Constitution
Part XXI - Temporary, transitional, and Special Provisions
Part XXII - Date of Commencement, Short Title, Authoritative Text in Hindi.
*Preamble- In 1976, by the 42nd Amendment in the Indian Constitution, the words ‘Socialist’, ‘Secular’, and ‘Integrity’ were added.