My opinion on your queries are as under:
Is husband office address can be used for filing a case of domestic violence under section 12
Opinion: Yes, it can be used as per section 27 of Protection of Women From Domestic Violence Act-2005, read as below:
(1) The court of Judicial Magistrate of the first class or the Metropolitan Magistrate, as the case may be, within the local limits of which—
(a) the person aggrieved permanently or temporarily resides or carries on business or is employed; or
(b) the respondent resides or carries on business or is employed; or
(c) the cause of action has arisen, shall be the competent court to grant a protection order and other orders under this Act and to try offences under this Act.
(2) Any order made this Act shall be enforceable throughout India.
what if husband job be in danger also for that,and on which parameters alimony is granted.
Opinion: Alimony/Maintenance can be granted by the court based on the income of parties and status of parties, if the wife is unable to maintain herself and she is not residing in adultry and she left the company of husband on sufficient reason then she can claim maintenance and she will be entitle to get maintenance from her husband and 1/3 of husband's income can be granted as maintenance or monthly alimony.