Dear expecting mother,
I afraid you are starting belatedly as your delivery is fast approaching. Go thru' the discussions taken place in this link which will be of better use in your present situation.
https://www.citehr.com/545267-holdin...d.html#2271062
First of all report to your designated ESI dispensary/hospital, obtain proper report, and apply to your employer attaching the medical certificate issued by them. You are eligible for salary during pre-natal & post natal leave spells, don't worry, relax, everything will be alright. Just follow the procedures as discussed in the above link.
I'm not aware how best your ESI hospital equipped with to handle delivery cases. Pl.ascertain reliable info and take careful decision. Any specific query pl.ask here.