Sidhu's former advisor Malvinder Singh Mali threatens to 'expose' Congress

Malvinder Singh Mali, a former adviser to Punjab Congress chief Navjot Singh Sidhu, has renewed his attacks on the Congress and the Shiromani Akali Dal.

Malvinder Singh Mali has also threatened to reveal shocking details about the Congress in the days ahead.

In a Facebook post, Malvinder Singh has lashed out at the Congress leaders saying that he has been an eyewitness to several facts about the party.