Dear madam,
Apparently, your termination appears illegal as:
1. During the pregnancy and availing maternity benefit, employer cannot terminate a woman employee
2. For termination on account of alleged misconducts, show cause or chargesheet has to be given, domestic enquiry to be held by giving reasonable opportunity to defend.
You have not gone on record to show above procedure was followed.
In your case a question could come up if you are a workman under the ID Act.
.
Regardless of this, you make representation in writing to the top decision maker pointing the illegalities in your termination and demanding reinstatement with continuity of service and payment of full maternity benefit including medical bonus of Rs3500/- . Also threaten them, if no reply is received within 7 days, you would be compelled to take legal action.
Send this communication by registerd post or courier with acknowledgement due . Mark copies to the Labour Commissioners office for whatever worth it is .If required, take help from some expert in drafting this letter.
Regards,
Vinayak Nagarkar
HR and Employee Relations Consultant