The first challenge to the recently passed Citizenship Amendment Bill, 2019 has been mounted in the Supreme Court by the Indian Union of Muslim League, along with four other Members of Parliament, i.e. PK Kunhalikutty (Lok Sabha MP representing Kerala), ET Mohammed Basheer (Lok Sabha MP representing Kerala), Abdul Wahab (Rajya Sabha MP from Kerala) and K Navas Kani (Lok Sabha MP from Tamil Nadu).