Maruti Suzuki India — I am complaining about third service

Address:

Indore, Madhya Pradesh, 452010

Third service of my car(mp09 cr0895)
held at patel motor vijay nagar indore.In that service they changed the engine oil and in my deisal car they put petrol car engine oil I.e (MGO-5W30)-IOCL.I already put telephonic complaint but didn't get any satisfactory feedback.in future if car met with any kind of technical error only u will be the responsible .kindly take that issue seriously and get back me revert other I will take serious action against that