get all her work details, as she is working you can fight maintenance case.
send her lawyer notice to come and join you, then send RCR.
do not hurry marring another girl, so she can claim you had affair before.
just being with someone will not proove her Affair unless you catch her in intimate pose… or ^$T%%%
after 5 years you can ask custody, but u can ask anytime for visitation if you are paying her bills.
she can name child anything but she cannt alter Fathers name column.
call our madras members and talk to them, they will guide you.