Under Section 69 of the Bharatiya Nyay Sanhita, which of the following actions is punishable?
1
Having consensual sexual intercourse with mutual agreement.
2
Having sexual intercourse by making a promise to marry without any intention of fulfilling it.
3
Having sexual intercourse with the intention of marriage but failing to marry due to unforeseen circumstances.
4
Having sexual intercourse by making a promise of marriage and fulfilling it.