Sir,
As per rule 2 (l) (ii) (BA) of Cenvat Credit rules, 2004 service of general insurance business, servicing, repair and maintenance , in so far as they relate to a motor vehicle which is not a capital goods is not an input service. Hence you are not eligible to take credit of service tax paid by authorized Service Station.
As per rule 2 (a) (B) of Cenvat Credit Rules, 2004, 'Capital goods means motor vehicle designed for transportation of goods including their chassis registered in the name of the service provider, when used for-
(i) providing an output service of renting of such motor vehicle; or
(ii) transportation of inputs and capital goods used for providing an output service; or
(iii) providing an output service of courier agency
7[(C) motor vehicle designed to carry passengers including their chassis, registered in the name of the provider of service, when used for providing output service of-
(i) transportation of passengers; or
(ii) renting of such motor vehicle; or
(iii) imparting motor driving skills,