You can rely upon audio recordings to prove adultery by wife in divorce case 

2) file for divorce on grounds of mental cruelty and adultery 

3) wife guilty of adultery is not entitled to any maintenance 

4) she can file police complaint against you for infringement of her privacy 

Between husband and wife no fiduciary relationship exist. There can not be any invasion of privacy of either in normal daily life matters,  by any act of other , unless something for any special reason is expressly agreed by both to this effect. 

Do not make such recordings public but to use it as evidence in court. 

File for divorce on grounds of mental cruelty and adultery 

contact a local lawyer 

1. Well eavesdropping is a breach of civil liberty of a person and for doing this no crime is committed as yet.

2. Since by this means you can bring her infidelity to court , reliance can be made on this tape in the court of law.

3. So there is  nothing to worry and file the suit for divorce on the basis of these evidences.

4. it is essential to file the suit for divorce first before she takes any reprisal steps in court.

Eavesdropping is the act of secretly or stealthily listening to the private conversation or communications of others without their consent. The practice is widely regarded as unethical, and in many jurisdictions is illegal.

If, the telephonic conversation is recorded by a third party without consent of participants. It is illegal, as it infringes Right to privacy. ( PUCL v. Union of India, 1997, AIR1997SC568 in this regard said that telephonic conversations are an important part of a person's private life, and people do have a right to hold private conversations in the privacy of their homes or offices.).

Eavesdropping is not the solution for this.

In fact you cannot prove her acts of infidelity or extramarital affairs by just producing such evidences, these evidences are not admissible as primary evidence by court of law.

You can file a divorce case on the grounds of cruelty by citing this also as one of the reasons for which you dont have to produce the documentary evidences.

If she is threatening you with legal consequences, ask her to go ahead because you have done this to secure evidence about her extra marital affairs or her adulterous life. 

In fact if you want to use this evidence to support your claim or establish your allegations against her then you may adopt the procedures as laid down in section 65B of Indian Evidence act. 

 It is legal, although the evidence has been obtained involuntarily it can be still treated as a credible piece of evidence as per Section 65B of the Indian Evidence Act, 1872.
 However, the person against whom such an evidence is being used has to be given an opportunity to contest the nature and contents of a recorded conversation.
The most common strategy adopted against such evidence is analysis of voice pattern.
The person against whom such evidence is given can ask for matching the voice pattern in the recorded call with his voice sample.
Furthermore, in order to match the 2 samples, the court can seek an opinion from the ‘Experts in this field’ by exercising the power under Section 45 in The Indian Evidence Act, 1872. Thereafter, based on the report submitted by the ‘experts’, the court can weigh the evidence presented before it, in order to arrive at a conclusion.

There have been instances and allegations of presenting doctored or tampered evidence of electronic nature during lawsuits in order to falsely implicate a person.
Hence, the evidence submitted under Section 65B of the Indian Evidence Act is subject to further examination under Section 45 of the Indian Evidence Act in order to establish the guilt ‘beyond reasonable doubt’.

No such case maintainable and evidence procured by illegal means admissible in court. Her infidelity is proven, you can obtain divorce and refuse alimony also. No case made out agasint you.

see to be honest get it straight, adultery is more a crime as stated by apex court but yes its cruelty which can lead to divorce, on the other hand adultery needs to be proved properly just by filing a case things wont suffice your need but one thing will happen, that is your case will go on for years and you get no relief. If adultery proved properly yes your wife will not get a single penny from you but if you fail to prove it, i can assure you , you have to pay a huge amount in form of alimony, detailed discussion is necessary, proper planning is very important

Let her file a case if she files the same you can file divorce. It's actually invading her privacy as to record her calls without her consent and sometimes the court doesn't admit such evidence

Dear Sir,

As of now, there is no mechanism which can warn people that their phone conversation is being recorded. Even the cyber laws in India do not offer clarity in such a scenario. ... There is no law which makes recording a call by an individual on their device illegal.

Yes it is perfectly legal and she is your wife so you have a complete right over her.

Regards 

Even if she has them sge can't do anything. She will not get maintenance you can get divorced easily and she would be entitled to nothing.

1. Recording any conversation which has taken place in your house through another device is not at all illegal.

2. What type of conversation he had with the third person is important to consider whether she ran an adulterous relationship or not.

3. However, please note that Adultery (which mainly includes physical relationship) is no longer treated as an offence under IPC as per our Supreme Court.

4. If physical relationship established by her out of the wedlock is proved, then you can file divorce suit on the ground of cruelty.

1. Settle the dispute amicably since divorce is the 2nd most stressful event in one's life.

2. No case stands against you legally for recording the happenings in your house through another device and without putting any spyware in her phone.

3. It appears that you also can not file a divorce suit terming her said association/conversation with the third party as an act of adultery, hence cruelty.

1. No case is made out against you. To collect evidence of the adultery of spouse is not an offence.

2, You are free to avail your legal remedies against her.

Yes, she can lodge police complaint against you. 

You have to file case for divorce under cruelty and adultery relying on the recorded conversation of your wife.

If you can prove her infidelity, she will not be eligible for maintenance.

As per your submission above you have enough evidence so as to implicate your wife and her lover and the court shall grant you divorce on ground of adultery. 

As per section 13(1) of the Hindu marriage act, adultery is a ground for divorce. So yes, you can file divorce on the gounds of adultery by using those spy call recordings. Recording wife calls is not a crime if husband suspects wife of infidelity.

The case of eavesdropping will not be madeout against you if your wife is in adulterous relation with another male. 

You can file divorce case against your wife but you need proof that she is having physical relationship with that person.