Manufacturing with labour work done a person. He is composition?

SRIDARAN V (55 Points)

19 June 2020  
A prop. concern brought waste plastic from unregistered sources and purchased raw materials from registered dealers. He is manufacturing plastic rope and crushed the waste plastic as powder and collect purely labour charges.
He done purely labour, manufacturing, and processing. he is willing to opt composition under GST, it is eligible or not pl.clarify any experts.