Ousted Tamil Nadu Chief Minister O Panneerselvam moved the Supreme Court, on Friday, against the confidence vote that took place in the state assembly in February.
Panneerselvam instructed his lawyers in Delhi to prepare a petition under Article 32 of the Constitution, Indian Express reported.
The lawyers have been directed to try and get an urgent hearing on the matter before the court breaks for a week-long holiday on Saturday for Holi.
A petition under Article 32 seeks to invoke a PIL of the apex court while underlining fundamental rights violations.
The Supreme Court has asked the Tamil Nadu government for a video of the proceedings.
Panneerselvam has challenged the validity of the assembly proceedings and the confidence vote that took place on 18 February. E Palanisamy won the trust vote 122-11 in the 234-member assembly. The floor test saw chaotic scenes, with the eviction of Opposition DMK leaders and and a walkout by allies in protest.