Hi
I) Husband being a Hindu and Wife being a parsi, the mutual consent petition should be filed under "the Special Marriage Act".
II) Hindu marriage act will not apply to your case as your wife is a parsi by religion and only Special Marriage Act will be applicable in your case.
III) Section 28 of Special Marriage Act will be applicable to your case in case both the parties are applying for Mutual consent Divorce.
The Synopsis of relevant sections of Marriage Act(Hindu Marriage Act and Special Marriage Act) is produced here under for reference.
1) Hindu marriage act -
1a. Section 2(1) of Hindu Marriage act -This section therefore applies to Hindus by religion in any of its forms and Hindus within the extended meaning i.e. Buddhist, Jaina or Sikh and in fact, applies to all such persons domiciled in the country who are not Muslims, Christians, Parsi or Jew, unless it is proved that such persons are not governed by the Act under any custom or usage. The Act applies to Hindus outside the territory of India only if such a Hindu is domiciled in the territory of India
2) The Special Marriage Act, 1954 (the Act), was enacted to provide a special form of marriage, to persons in India, and Indian nationals abroad, irrespective of the faith which either party to the marriage may profess.
3) Under sec. 28 of the Act, which primarily deals with the provisions relating to obtaining a divorce by mutual consent in respect of a marriage solemnized and/or registered under the Act, a petition for divorce by mutual consent may be presented to the District Court.
4). A few key points to be considered while seeking a divorce by mutual consent are as follows:
4a) . A petition for divorce must be presented to the District Court by both parties together.
4b) The petition must be on the grounds,
i) that they have been living separately for a period of one year or more,
ii) that they have not been able to live together, and
iii) that they have mutually agreed that the marriage should be dissolved.
Hope this information is useful