The Petition as per SEction 19 of the Hindu marriage Act can be presented in the courts within the local limits of which:-
(i) the marriage was solemnised, or
(ii) the respondent, at the time of the presentation of the petition, resides, or
(iii) the parties to the marriage last resided together, or
41 [
(iiia) in case the wife is the petitioner, where she is residing on the date of presentation of the petition, or]
(iv) the petitioner is residing at the time of the presentation of the petition, in a case where the respondent is, at that time, residing outside the territories to which this Act extends, or has not been heard of as being alive for a period of seven years or more by those persons who would naturally have heard of him if he were alive.]
Given your circumstances, it would be difficult to file it in Bangalore.