Some of your quoted price for diesel are high
Oil 5L=2300 -2400 caltex gold
Oil filter = changed to a fix one which need to get washed after 3-4 oil changes and 200-300ml of oil in it (nearly no cost)
No need to change oil filter that soon
Battery price = 3400-3600 changed last year
And for overhaul = nothing major just tune ups at 1lac km . I think cost was around 15-20k
Its how you keep your car
I am not saying its much cheaper than petrol or anything because diesel prices are high
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