I don't like drama, but I also believe in being practical — so here's the blunt, useful rundown from my experience watching a few messy cases unfold. In India today, proof of a spouse's infidelity usually isn't about moral judgment in a courtroom so much as producing credible, admissible evidence that the judge can rely on.
Physical evidence that courts pay attention to includes photographs or videos that clearly show the person with someone else, hotel or travel receipts, credit-card or bank statements showing payments to hotels or dinners, and call or SMS logs. Electronic evidence like WhatsApp chats, emails, social media DMs and phone recordings can be powerful, but they often need to be handled very carefully: under the Indian Evidence Act, electronic records generally require a certificate (often referred to as a Section 65B certificate) and courts scrutinize chain of custody and authenticity. There have also been major Supreme Court decisions — for instance, 'Joseph Shine v. Union of India' changed how adultery is treated criminally, and other judgments have stressed strict standards for electronic proof.
Witness testimony — friends, hotel staff, neighbors — and signed affidavits or depositions from investigators can tip the balance, especially when they corroborate physical or electronic material. But I can't stress this enough: illegally obtained evidence (like secretly filming someone in a private place, or hacking into accounts) can backfire and even get you in legal trouble for voyeurism or breach of privacy. If you want evidence preserved, keep originals, note timestamps, don't circulate things publicly, and get a lawyer to obtain records formally (for example, telecom records require court orders). From what I've seen, careful documentation, legal process, and preserving authenticity matter way more than sensationalism — so be methodical and cautious if you go down this road.