New Delhi, Aug. 11 -- The Supreme Court today upheld social activist Medha Patkar's conviction in a two-decade-old defamation case filed by Delhi Lieutenant Governor Vinai Kumar Saxena, but waived the penalty of Rs 1 lakh imposed on her.

A Bench comprising Justice M.M. Sundresh and Justice N.K. Singh sustained the conviction while granting the activist relief from the monetary penalty.

The case dates back to 2000, when Saxena, then President of the National Council of Civil Liberties, published an advertisement titled "True face of Ms. Medha Patkar and her Narmada Bachao Andolan" criticising the NBA, the movement opposing dam construction on the Narmada River.

In response, Patkar issued a press note alleging that Saxena had visited Maleg...