Reservation of sc/st related laws ----The Constitution (Ninety-Third Amendment) Act, 2005. Date on which the Act came into force: 20-01-2006.
Reservation of sc/st related laws ---- The Constitution (Ninety Amendment) Act, 2003. Date on which the Act came into force: 28-09-2003 (Date of Assent).
Reservation of sc/st related laws ---- The Constitution (Eighty-fifth Amendment) Act, 2002. Date on which the Act came into force: 4-1-2002 (Date of Assent).
Reservation of sc/st related laws ---- The Constitution (Eighty-third Amendment) Act, 2000.Date on which the Act came into force: 8-9-2000 (Date of Assent).