Mutual consent divorce takes 6 months
2) you can file petition for divorce in Mumbai or Goa
3) you are entitled to return of your gold lying in your husband residence in Goa
3) section 31 of special marriage act
1) Every petition under Chapter V or Chapter VI shall be presented to the district court within the local limits of whose jurisdiction the marriage was solemnized or the husband and wife reside or last resided together.
2)
Without prejudice to any jurisdiction exercisable by the court under sub-section (1), the district court may, by virtue of this sub-section, entertain a petition by a wife domiciled in the territories to which this Act extends for nullity of marriage or for divorce if she is resident in the said territories and has been ordinarily resident therein for a period of three years immediately preceding the presentation of the petition and the husband is not resident in the said territories.