Dear Sir i m regular user of shell oil for last 14 years. i do want to make complaint about that the workers in the Shalimar Shell Filling Station in F10 Markaz Islamabd had changed my oils in my car but used Raw or used filter due to which the engine of my car is damaged. i will be very thankfull to you to ask about this illegal and awful act so that i be not disappointed in future. read full review »