Please follow Crime in India 2013. Conviction rate is 15% for 498A cases in lower courts.
However in HC or SC it is less than 2%. I request everyone to keep appeals or revisions in HC in-person else you might face trouble.
https://ncrb.gov.in/CD-CII2013/compendium%202013.pdf
Please read each of my posts carefully in the following links for sample petitions and other necessary clues.
https://www.lawyersclubindia.com/forum/Fight-against-misuse-of-498a-ipc--103100.asp#.U6gslUCm9dg
https://www.lawyersclubindia.com/forum/Best-way-to-fight-against-false-498a-103111.asp#.U6gsRkCm9dg
https://www.lawyersclubindia.com/forum/details.asp?mod_id=104564&offset=1
https://www.lawyersclubindia.com/forum/Why-speedy-trial-amp-perjury--124819.asp#.VbzWibOqqkp
https://www.lawyersclubindia.com/forum/Why-speedy-trial-and-perjury--124820.asp#.VbzWx7Oqqko