The chief ministers of three Indian states have spoken out against the controversial citizenship law which has triggered mass protests in the country’s northeast.

After it was passed in the parliament, Indian President Ram Nath Kovind on Thursday signed the bill making it a law. It grants citizenship to six minorities from Afghanistan, Pakistan and Bangladesh — all Muslim-majority nations in South Asia — who have stayed in India for more than five years.

Muslims are conspicuously absent from the qualifying list for citizenship, raising fears that this will be yet another blow to the minority group which,

Read more: 3 Indian states oppose new citizenship law