Chandigarh, Oct. 6 -- The Punjab government will approach the Supreme Court to challenge the Punjab and Haryana High Court's order directing a CBI probe into the matter concerning letters written by the Enforcement Directorate (ED) to the Punjab Director General of Police (DGP), according to sources in the AAP.

The state government will file an appeal before the Supreme Court against the High Court's order in the matter.

The Punjab and Haryana High Court had ordered the investigation into the matter concerning letters written by the Enforcement Directorate (ED) to the Punjab Director General of Police (DGP) to be handed over to the Central Bureau of Investigation (CBI) yesterday.

Notably, the ED had written three letters to the Punjab ...