Timeline of events surrounding the 2008 cash-for-vote scandal that had resurfaced in 2011 after revelations by WikiLeaks
July 9, 2008: Left parties submit letter to the president, withdrawing support from the Manmohan Singh-led United Progressive Front government on the Indo-US nuclear deal.
July 21, 2008: Special session of parliament called for the trust vote.
July 22, 2008: Three Bharatiya Janata Party (BJP) members - Faggan Singh Kulaste, Ashok Argal and Mahavir Bhagora - carry bags filled with cash, approximately amounting to Rs.30 million, inside the Lok Sabha and allege it was meant to buy votes in the trust motion.
The house takes up the vote of confidence which is won by the UPA with 275 in favour and 256 against.
July 30, 2008: A committee, headed by Congress' V. Kishore Chandra Deo, is formed by Lok Sabha Speaker Somnath Chatterjee and starts probe into the scandal.
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Other members were Vijay Kumar Malhotra (BJP), Mohammed Salim (Communist Party of India-Marxist), Devendra Prasad Yadav (Rashtriya Janata Dal), Ram Gopal Yadav (Samajwadi Party), Rajesh Verma (Bahujan Samaj Party) and C. Kuppuswamy (DMK).
Oct 30, 2008: The committee finalises the report.
Dec 15, 2008: The committee submits its report, suggesting that the money trail be probed by an investigating agency like the Central Bureau of Investigation or the Income Tax department.
March 17, 2011: US diplomatic cables leaked on WikiLeaks and published by a newspaper purportedly say that payoffs had been made to MPs to ensure majority for the UPA government in the confidence vote.
Nachiketa Kapur, a political aide of Congress leader Satish Sharma, is quoted in the US embassy cables as saying that a fund of Rs.50 crore had been formed to pay MPs.
15 July, 2011: The apex court lambasts the Delhi Police for its shoddy probe.
July 17, 2011 Delhi Police swing into action and arrest Amar Singh aide Sanjeev Saxena.
July 20, 2011: BJP activist Suhail Hindustani is arrested.
Aug 25, 2011: Charge sheet against Amar Singh, Saxena, Hindustani, Sudhir Kulkarni, Kulaste and Bhagora. The court summons other accused to appear on Sep 6, 2011.
Oct 24, 2011: Amar Singh granted bail by a Delhi court.
Nov 22, 2013: Amar Singh and three BJP leaders discharged from the case by a Delhi court.