Service tax exemption

ketan Dhande (engineer) (30 Points)

19 January 2017  
An Contractor turnover during year 2013-14 was more than Rs. 10 Lakh so he registered for service tax, then after their turnover for 2014-15 & 2015-16 is below Rs. 10 Lakh, with reference to that contractor is saying that service tax payment is not applicable to them, whether is this right