Name on Divorcee decree

Did she get any violence at the behest of her ex-husband ?

Consult your lawyer, who is better equipped with facts of the case (which are missing/concealed by you), an able, competent and intelligent enough to satisfy your query.

Please do not get stuckin your wifes's nam,  Se can use any name.   However, if you smell any foul play in using maiden name then bring that fact on record.   You can mention in your say to DV, that she is using your surnamein Passport and maiden name in dv matter and that her intention is not good, just to impress the official concerned authorities at Immigration level that these are two different person,then it is crime.   Just bring her intention on record.   A female may use any name but there should be continuity.   If such femles uses diferent names before different authorities, then itention is tained with mallafide intention.

Wife can use any name.   But you point out as to why she ising different names before different authorities.

file a petition to amend the cause title along with the name at the marriage time by putting alias otherwise it affects you