Over the decades, the Supreme Court has developed the 'Essential Religious Practices' test to identify those religious practices which it deems as essential to the religion and candidates for constitutional protection.

1954
The Commissioner, Hindu Religious Endowments, Madras vs. Shri Lakshmindar Tirtha Swamiyar of Shri Shirur Mutt
1959
Sardar Sarup Singh & Ors. vs State of Punjab & Ors.
1961
Durgah Committee, Ajmer & Anr. vs. Syed Hussain Ali & Ors.
1962
Sardar Syedna Taher Saiffuddin Saheb vs. State of Bombay
1963
Tilkayat Shri Govindlaji Maharj vs. State of Rajasthan
1972
Seshammal & Ors vs. State of Tamil Nadu
1997
Sri Adi Visheshwara of Kashi Vishwanath Temple, Varanasi & Ors. vs. State of UP & Ors
2004
Commissioner of Police & Ors. vs. Acharya Jagadisharananda Avadhuta & Anr.
2016
Adi Saiva Sivachariyargal Nala Sangam& Ors. vs Government of Tamil Nadu
2017
Shayara Bano vs. Union of India