As far as your gross receipts for last financial year are concerned, they do not cross the minimum slab for service tax registration.
But for current financial year, you do attract service tax implications. Being an individual, you need to pay service tax on a quarterly basis, the calculation will be @ of 12.36% for April 15 and May 15 and @ 14% for June 15. The total service tax to be paid will be Rs.48,400.00. This needs to be paid by 5th of Jul 2015, in case you opt for e-payment you enjoy 1 day's grace for making payment i.e. 6th of Jul 2015.