Regarding gst invoices

Debesh Singhal (Accountant) (23 Points)

09 November 2019  
sir
i am a dealer of explosive
i give both goods and services ( supply)
goods - explosive
service - my vehicle, my blaster

my vehicle go the the quarry to blast with blaster

can i raise service bill instead of goods bill ( by stock journal)
and can i show sac code?