can tabocco product opt composition scheme

Karan SIngh Rathore (Student CA IPC / IPCC) (24 Points)

19 July 2017  
Dear sir,
I have a client of pan masala traders whose trading Pan masala, Cigarette and other which fall in Tabocco Product.
can he opt composition scheme or not.
how to GST levied on those products and also cess applicable with example.
please give me suggestions of this question