free contribution by students of coaching institutions in coaching institutions and after some repairs, these books are sold to other students for revenue purpose. is Gst applicable...?
Supply includesall forms of supply of goods and/or services such as sale, transfer, barter, exchange, license, rental, lease or disposal made or agreed to be made for a consideration by a person in the course or furtherance of business,
You are selling some books for consideration & same is for furtherance of business. Hence, same is considered as supply.....