One97 Communications — To refund my air ticket fare as it get cancelled due to lockdown in march

I bincy joseph would like to get myair ticket fare of inr 58000 as my ticket got cancelled dueto lock dpwn associated with covid19.I booked my ticket through paytm by sisters account.I approched air india offfice, kochi.They advised to to approach one97 communication, bangalore ltd, .But i did not get proper contact mail or phone number for tht company in google.Kindly do necessary steps.My e ticket number is[protected].My account detailes :ac no:[protected], federal bank, kolazhy branch, ifsc fdrl0001752.