Service tax credit?

1)Service provider -  for availing service tax credit,  the input service should have been used for providing output service.

2) manufacturer -  for availing service tax credit, the input service should have been used for manufactruing acivity or for administrative work like courier, accounting, telephone etc.

Cenvatable invoice (for service tax) issued as per rules of cenvat rules, containing - name, address, service tax no., discripttion of service, , tax amount etc.

U can refer any basic books ( for students)  for more details.