Dont worry Rahul, this can be done. You will have to make an application in Form 22 in the Begur Sub-registrar's office and pay the Statutory fee of around Rs 200- 300 . If all is good, they can give it the same day otherwise it will take 2-3 days. However, if it is an old deed then it may take 7-10 working days to retrieve it.
Please note that the application has to be filed where the Sale Deed was originally registered, i.e Begur Sub-registrar's office in your case