Based on the provided legal document, the key points are as follows:

1. The court emphasized the importance of concrete evidence to substantiate allegations of cruelty in matrimonial disputes. Mere allegations without supporting proof are insufficient to establish cruelty (!) (!) .

2. The court highlighted that long periods of separation, absence of cohabitation, and a breakdown of marital bonds can be indicative of cruelty, especially when such conduct renders the continuation of the marriage intolerable (!) (!) .

3. Mental cruelty can be established through conduct causing significant mental pain, anguish, or suffering, which may include repeated neglect, abusive behavior, or persistent unjustified conduct affecting the spouse’s mental health (!) (!) .

4. The burden of proof lies on the party alleging cruelty or other grounds for divorce, and such allegations must be supported by credible evidence. Unsubstantiated or false allegations are not sufficient for granting a decree of divorce (!) (!) .

5. The court observed that allegations of premarital relations and termination of pregnancy, without substantive proof, are not enough to declare a marriage null and void. The timing and evidence regarding such allegations are critical, and mere oral claims without corroborative evidence are inadequate (!) (!) .

6. The limitation period for filing a petition for nullity or divorce under specific sections of the Hindu Marriage Act is strict. Petitions filed beyond the prescribed time frame are barred by law, and the court cannot invoke equitable considerations to bypass statutory limitations (!) (!) (!) .

7. The court found that the appellant failed to prove that the marriage was vitiated or null and void due to alleged premarital misconduct. The evidence did not substantiate the claims of infidelity or non-consummation, and the allegations were deemed untrue or unproven (!) (!) .

8. Regarding restitution of conjugal rights, the court noted that the respondent demonstrated willingness to reunite and efforts were made by her and her family to maintain the marriage. The appellant’s desertion without reasonable cause justified the grant of restitution of conjugal rights to the respondent (!) (!) .

9. The overall assessment was that the appellant failed to establish grounds for cruelty or that the marriage was invalid. The court upheld the trial court’s decision, dismissing the appeals and confirming the orders for restitution of conjugal rights (!) (!) .

10. No costs were awarded, and interim orders previously granted were vacated, with pending miscellaneous petitions closed (!) (!) .

In summary, the court prioritized credible evidence, adherence to statutory limitations, and the overall conduct of the parties in making its decisions, ultimately dismissing the appeals and affirming the original orders.