Section 23(a) Of Hindu Marriage Act, 1955

In case of proceedings for divorce or, judicial separation or, restitution of conjugal rights - 

• The respondent can oppose as well as counter-claim for any relief on the grounds of adultery, desertion, or cruelty. 
• If the adultery, cruelty, or abandonment of the petitioner is proved, the Court may grant to the defendant any relief under this Act. ( If he had presented a petition seeking such relief on that ground ).