Following the overthrow of Slobodan Milošević, he first served as Minister of Human and Minority Rights of FR Yugoslavia/Serbia and Montenegro from 2000 to 2006.

[citation needed] In 1990, Ljajić was elected Secretary General of the Party of Democratic Action of Sandžak as one of its founders, a branch of the SDA in the Republic of Bosnia and Herzegovina, aimed at gathering Bosniaks in Serbia.

[1] In 1993 he left the party and with dissidents formed the Sandžak Democratic Party, criticizing Sulejman Ugljanin for being an extremist and endorsing separatism from Yugoslavia in an effort to join an enlarged Bosnia dominated by Bosnian Muslims.

[5] His relative and close friend Dževad Ljajić died in the military helicopter crash in Serbia on the night of 14 March 2015, which also claimed six other lives.

[6] On 10 April 2022, Ljajić was seriously injured in a car accident on the Belgrade-Niš Highway near Ražanj.