• Primarily, there were only eight Schedules; however, four schedules were added after subsequent amendments.

Summary of all twelve schedules is illustrated in the following table −

Schedule IPart IList of the States.
Part IIList of the Union.
Schedule IIPart AProvisions as to the President and the Governors of States.
Part BRepealed
Part CProvisions as to the Speaker and the Deputy Speaker of the House of the People and the Chairman and the Deputy Chairman of the Council of States and the Speaker and the Deputy Speaker of the Legislative Assembly and the Chairman and the Deputy Chairman of the Legislative Council of a State.
Part DProvisions as to the Judges of the Supreme Court and of the High Courts.
Part EProvisions as to the Comptroller and Auditor-General of India.
Schedule III Forms of Oaths or Affirmations.
Schedule IV Allocation of seats in the Council of States.
Schedule V Provisions as to the Administration and Control of Scheduled Areas and Scheduled Tribes.
Schedule VI Provisions as to the Administration of Tribal Areas in the States of Assam, Meghalaya, Tripura, and Mizoram.
Schedule VIIList IUnion List
List IIState List
List IIIConcurrent List
Schedule VIII List of 22 Languages −
1. Assamese2. Bengali3. Gujarati
4. Hindi5. Kannada6. Kashmiri
7. Malayalam8. Marathi9. Oriya
10. Punjabi11. Sanskrit12. Tamil
13. Telugu14. Urdu15. Sindhi
16. Konkani17. Manipuri18. Nepali
19. Santhali20. Bodo21. Maithili
22. Dogri  

Initially, there were only 14 languages, but after 21st Amendment (1967) Sindhi was added; after 71st Amendment (1992), Konkani, Manipuri, and Nepali added; and after 92nd Amendment (2003), Santhali, Bodo, Maithili, and Dogri added.

Schedule IXAdded by 1stAmendment in 1951Contains acts & orders related to land tenure, land tax, railways, industries (Right of property not a fundamental right).
Schedule XAdded by 52ndAmendment in 1985Provisions as to disqualification on ground of defection.
Schedule XIAdded by 73rdAmendment in 1992Powers, authority and responsibilities of Panchayats.
Schedule XIIAdded by 74thAmendment in 1992Powers, authority and responsibilities of Municipalities, etc.