In this, Chatterji worked with Indian People's Tribunal on Environment and Human Rights, with Mihir Desai, Retired Chief Justice K.K. Usha of Kerala, Sudhir Pattnaik, Ram Puniyani, Colin Gonsalves and others.
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In February 2009, the Tribunal sent a memorandum to the new Chief Minister, Omar Abdullah, asking for the state government's attentiveness to the alleged disappearances, fake encounter killings, torture, gendered violence, the rights of former militants and landmines.