Why is religious conversion illegal in India?

Justice Rohit Ranjan Agarwal added that congregations where conversions were taking place ought to be “immediately stopped” and that Article 25 of the constitution “does not provide for religious conversion”.

Source: https://thewire.in/law/majority-turn-into-minority-congregations-conversions-allahabad-hc

Why does the Indian government interfere in personal matters of its citizens like their religion? If a Hindu converts a Christian into Hinduism or vice versa, who is the victim here? I’d like to add that “forcible conversion” is an oxymoron as you can’t force someone to change their mind.