Pillai, who was offloaded from the aircraft by immigration officials on January 11, was scheduled to visit London to make a presentation before British MPs regarding alleged human rights violation at Mahan in Madhya Pradesh where a proposed coal mining project was threatening to uproot the lives of the local communities.
Greenpeace in a statement said that the activist has claimed that her being denied permission to travel abroad by government agencies was illegal and a violation of her basic right to personal liberty and freedom of speech.