16 April 2019
You could opt for composition scheme ( subject to other conditions u/s 10 ) as your turnover is less that Rs 1.5 crores ..
But the option for the FY 2019-20 was open till 31st March 2019 only
The registered persons need to file GST CMP 02 viz Intimation to opt for composition scheme- before 31st March 2019, the deadline, to opt in for Composition levy for FY 2019-20