ITC on commercial vehicle repair

Dear Sir

i running carting business (sand carting), i have 3 my own commercial vehical for transport of my own goods to customers. i want to know about commercial vehicle repair mainatance expencis like vehical servicing, tyre replacment exp., tyre repair exp. diesal exp etc. are eligible for ITC in GST? 

i will transport my goods in my own vehicale only. and vehicle is not used for other purpose?