if a person supply both exempted goods and non exempted goods .can he registered under composition scheme.if yes whether he has to pay tax on both exempted goods and non exempted goods
As per SECTION 10(2) clause (b) of the CGST Act 2017, a person cannot opt to pay tax under Composition Scheme if he supplying goods which are not leviable to Tax under GST (non taxable goods).
Therefore, you can't opt for Composition Scheme as per the provision of SECTION 10.