[1][2] He is the Senior Advisor on Political and International Affairs and Chairman of the Pakistan Tehreek-e-Insaf's Task Force on Kashmir and a member of the Core Committee of the Party.

[4][5] After getting educated at the Punjab University, Kasuri later studied law at Cambridge and was subsequently admitted as a barrister at the Gray's Inn.

[8] He resigned from membership of the National Assembly as a mark of protest against the 15th Amendment, saying that if passed in its original form, it would negate Quaid-i-Azam Muhammad Ali Jinnah’s pluralistic and progressive vision of Pakistan.

[8] He won a seat in Pakistan's National Assembly as member from NA-142 (Kasur-V) in 1993 and later in 1997 and served on the Parliamentary Standing Committee on Foreign Relations.

[13] Throughout his academic career he had a uniformly excellent record, which culminated earning first position in the B.A E (Hons) examination of the Punjab University in 1961.

[14] On 23 January 2012, he openly admitted on his Twitter account, to handing over Dr. Aafia Siddiqui to the US when was a foreign minister of Pakistan under General Musharraf.

After the military government of Zia-ul-Haq went back on its promise to hold general elections in the country, leading political parties got together under the banner of the Movement for Restoration of Democracy (MRD) for the purpose of holding general elections, restoration of fundamental rights of the citizens, removal of restrictions placed on the free functioning of the press and the establishment of an independent judiciary.

He was arrested on numerous occasions for taking part in a movement launched by the political parties in February 1981 for the achievement of the above objectives.

He briefly return in 1988 after the mysterious death of Zia-ul-Haq in a plane crash and joined the Foreign service office after being requested by his peers.

In 1999, after the 1999 military coup d'état, Kasuri had a severe confrontation with Javed Hashmi who was presiding the PML in absence of Sharif, and defected to the dissident group headed by Shuja'at Hussain in 2001.

"[18] In the February 2008 parliamentary election, Kasuri ran for a National Assembly seat from NA-140 (Kasur-III), where he was defeated by the PPP candidate, Sardar Asif Ahmed Ali.