At the time of commencement Indian constitution had 22 parts and,  395 articles  and 8 schedules , Now Constitution of India has 25 parts , 12 Schedules and more than 448 Articles .


PART 1. The Union and its territory (Article 1 To 4) 

PART 2. Citizenship (Article 5 To 12)

PART 3. Fundamental Rights (Article 12 To 35)

PART 4. Directive Principles (Article 36 To 51)

              PART  4(A). Fundamental Duties (Article 51(A))

PART 5. The Union ( Article 52 To 151)

PART 6. States  (Article 152 To 237)

PART 7. Repealed by constitution 7th amendment act 1956

PART 8. The Union Territory (Article 239 To 242)

PART 9. The Panchayats (Article 243 To 243(O))
               
               PART 9(A).The Municipalities (Article 243(P) To 243(ZG) )

               PART 9(B). The Co -Operative Societies ( Article 243(ZH) To 243(ZT) )

PART 10. The Scheduled and Tribal Areas (Article 244 To 244 A)

PART 11. Relations between the Union and the States (Article 245 To 263)

PART 12. Finance , Property, Contracts and Suits (Article 264 To 300 A)

PART 13. Trade, commerce and intercourse within the Territory of India (Article 301 To 307)

PART 14. Services under the Union and the States ( Article 308 To 323 )
                 
                  PART 14 (A). Tribunals (Article 323 A To 323 B )

PART 15. Elections (Article 324 To 329 A )

PART 16. Special Provisions relating to certain classes (Article 330 To 342)

PART 17. Official Language ( Article 343 To 351)

PART 18 . Emergency Provisions ( Article 352 to 360 )

PART 19. Miscellaneous (Article 361 To 367)

PART 20. Amendment of the constitution (Article 368 )

PART 21. Temporary, Transitional and Special Provisions ( Article 369 To 392 )

PART 22. Short Title , Commencement, authoritative text in Hindi and repeals 
                                                                    ( Article 393 To  395)