1) no dv case is maintainable as divorce has taken place in 2010 . it is well settle law that no DV case is maintainable after divorce .
2) child of 18 years is a major . he can decide whether he wants to stay with father or mother .
3) The custody of a minor child in Islam is called Hizanit, which literally means the care of the infant. As per the Shariat law that applies to Muslims, the father is considered to be the natural guardian of his children irrespective of sex, but the mother is entitled to the custody of her son till the age of 7 years and of her daughter till she attains puberty. Thus under the Muslim law a male would attain majority/adulthood when he reaches the age of 7 years and a female would attain majority on attaining puberty.
4) Section 6 gives scope for the application of the personal law to which the minor is subjected to. Further Section 17 of the G&W Act also stipulates that a guardian has to be appointed in consonance with the personal law by which the parties are governed.
5) Hon’ble High Court of Delhi in Akhtar Begum vs Jamshed Munir, which held that “the personal law of the parties has to be kept in view in deciding an application for custody by virtue of the mandate of Section 6 of the Act. If a Court does not keep that in view it would be acting illegally and with material irregularity “
6) welfare of child is the paramount consideration in deciding issue of custody of minor children