A senior police officer said at least 30 people died as a crowd panicked at the Hindu Kumbh Mela mega-festival in the northern city of Prayagraj.

The late release of casualty figures at the gathering of millions of people was seen as shielding the political fortunes of a local leader with national aspirations.

People were trampled as pilgrims at the Maha Kumbh Mela, one of the world’s biggest gatherings, gathered where the Ganges and Yamuna Rivers meet.

Millions of Hindu devotees gathered on Thursday (January 30) for a holy dip in the sacred river waters of India's northern city of Prayagraj as part of the Kumbh Mela, a day after a stampede at the religious festival.

Hindu pilgrim Parvati Gupta braved jostling crowds to be at the world's largest religious festival in India but will leave with injuries that will keep her bedridden for months.