1.The proofs you're talking about is enough to prove her adultery for the purpose of dissolving your marriage.
2.This is also enough to initiate a criminal case under section 497 IPC against her paramour which would help you in divorce suit as well.
3.Howeevr in the criminal case the actual physical relations is required to be proved.
4. If you retain your son with you then it would help you in all respects.otherwise you will have to file custody suit as well.
5.DO not sit idle and initiate legal proceedings as stated above .Else Your wife may start filing false cases.
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