Yes mam you can claim refund of ITC. You have to file application of refund in Form RFD-01 stating details of amount refundable. On submission an acknowledgement will be generated in RFD-02. Submit the application and acknowledgement along with following docs to your respective circle and your refund will be processed in case of no queries. (maximum refunds are processed in 7 working days).
Documents to be submitted:
1. RFD-01 & 02
2. GSTR3B for the months to which exports apply
3. GSTR1 for the months to which exports apply (the value of sales reported in 3B must match with invoices shown in GSTR1)
4. Copy of Export invoices along with shipping documents (value of both has to match)
5. Copy of Purchase invocies for which refund of ITC is claimed (A annexure can be submitted for easy reference and prcessing by officer)
6. Any other details the Officer may request for.