Here is a brief timeline of the controversial Bofors case.
1980s - The Bofors scandal became a major corruption scandal in India. The then Prime Minister Rajiv Gandhi and many others were accused of receiving kickbacks from Bofors AB for winning a bid to supply 155 mm field howitzer.
A middleman associated with the scandal was Ottavio Quattrocchi, an Italian businessman who represented the petrochemicals firm Snamprogetti and was allegedly close to the Gandhi family.
November 1989 - The scandal became an unprecedented case of corruption. It led to the defeat of Rajiv Gandhi's ruling Indian National Congress party in the general elections.
May 21, 1991 - While the case was being investigated, Rajiv Gandhi was assassinated.
1997 - CBI filed a case against Quattrocchi, Win Chadha, Rajiv Gandhi, the defence secretary S K Bhatnagar and a number of others. The Swiss banks released some 500 documents after years of legal wrangling.
February 5, 2004 - The Delhi High Court quashed the charges of bribery against Rajiv Gandhi and others, The trial continued on charges of cheating, causing wrongful loss to the Government, etc.
May 31, 2005 - The High court of Delhi dismissed the Bofors case allegations against the British business brothers, Shrichand, Gopichand and Prakash Hinduja.
December 2005 - B Datta, the additional solicitor general of India, from the side of the Indian Government and the CBI, requested the British Government that two British bank accounts of Ottavio Quattrocchi be de-frozen on the grounds of insufficient evidence to link these accounts to the Bofors payoff.
January 16, 2006 - CBI claimed in an affidavit filed before the Supreme court that they were still pursuing extradition orders for Ottavio Quattrocchi.
The Interpol issued a long standing red corner notice to arrest Quattrocchi.
February 6, 2007 - Quattrocchi was detained in Argentina.
February 23, 2007 - The news of his detention was released by CBI after seventeen days. Quattrocchi was released by Argentinian police.
September 2009 - The central government today informed the Supreme Court that it has decided to stop all prosecution against Italian businessman Ottavio Quattrocchi for his alleged involvement in the two-decade old Bofors case. The Supreme Court will hear the matter on December 11.