New Delhi (Agencies): A PIL seeking adequate statutory protection to whistle blowers in the wake of the gruesome killing of Maharashtra additional collector Yeshwant Sonanwane, allegedly by an oil mafia, was today filed in the Supreme Court.

The PIL by advocates--N Raja Raman and Ajay Mandyal--cited a number of recent incidents where whistle blowers have been killed or intimidated by mafias and political leaders to silence their voice against growing corruption in the country.

The petition cited alleged scams relating to 2G spectrum, Adarsh housing society, Commonwealth Games, purchase of caskets during Kargil conflict and S-Band spectrum to buttress the argument that those raising such issues have been targeted by vested interests and there were no adqequate safeguards in the law to grant them protection.

According to the petitioners, effigy of Janata Party leader Subramaniam Swamy was burnt in Tamil Nadu after he took initiative in bringing into public domain the 2G case.

It said RTI protagonists like Satish Shetty and Dattatray Patil were murdered, while other activists like Arvind Kejariwal in Delhi, Amar Nath Pandey in UP and Arun Mane in Pune have been subjected to brutal assaults.

The petitioners urged the apex court to direct the Centre to frame suitable guidelines to ensure that complaints of corruption are dealt with promptly and whistle blowers like
RTI activists, journalists and advocates are given necessary protection.

According to the petition, though people like Subramaniam Swamy and eminent jurist Ram Jethmalani, who has moved the Supreme Court for unearthing of black money stashed in foreign tax havens, were enjoying "Z plus" category security, other whistle blowers were not having any such protection.