MyCent,
Your Idea is wrong.
498A is a criminal case and she cannot get maintenance from 498A.
She has to file 125 CrpC OR DV or file application u.s 24 HMA along with Divorce petition for getting maintenance.
Also note that, HMA 24 cannot be filed Independently, it has to be accompanied by either Divorce petition or application under section 9 of HMA (Restitution of Conjugal Rights) or any other matrimonial case (Please correct me if I am wrong)
Also, A wife cannot claim maintenance, for more than once cases, it has to be either 125, DV or section 24 HMA
Ranbir