Question: when did the constitution of india came into the force
Answer: Constitution of India Original text of the preamble Original title भारतीय संविधान code : hin promoted to code : hi ( IAST : Bhāratīya Saṃvidhāna ) code : hin promoted to code : hi Jurisdiction India Ratified November 26 , 1949 ; 68 years ago ( 1949 - 11 - 26 ) Date effective January 26 , 1950 ; 68 years ago ( 1950 - 01 - 26 ) System Constitutional parliamentary socialist secular republic Branches Three ( executive , legislature and judiciary ) Executive Prime minister - led cabinet responsible to the lower house of the parliament Judiciary Supreme court , high courts and district courts Federalism Unitary ( Quasi-federal ) Electoral college Yes , for presidential and vice-presidential elections Entrenchments Amendments 101 Last amended 1 July 2017 ( 101st ) Location Parliament House , New Delhi