Yes. Cruelty, desertion, adultery, and other grounds mentioned in Section 13 HMA are all valid grounds to seek judicial separation. If a spouse wants space or relief from a toxic marriage without fully dissolving it, judicial separation is a good option.

Yes, the act provides for the same grounds as divorce under sec 13 (1) and (2) as follows :
Cruelty
Desertion (2+ years)
Adultery
Conversion of religion
Mental disorder
Renunciation of the world
Venereal disease, etc.