Exparte divorce, 498a

Hi, I was married in 2018, we have stayed together barely for a month and she never returned even after multiple attempts in all sorts to mend the marriage, however ever I finally decided to file devorce on the ground of dissertation on 2022, after she received the legal notices she had filed 498a, 506 and Dowry harassment cases on whole family including my sister who is not there in the country(I haven't taken a single penny and marriage expenses were handled by respective side, My wife has stridhan of 8 acres agricultural land and 600gms of gold, both were in her possession along our gold gifted to her during marriage, however she filed an exaggerated amount of 50 lakhs money, 10 acres land and 1 kg gold in DH complaint), last month (Jan 2023) I was granted exparte divorce based on respondents failure to Show up and file counter. Can you please advice on how to fight 498a and is she can file for maintenance and how much I have to pay (currently I am a part time gig worker earning 25000 per month), how long she has to appeal or file condone petition