India's biggest car maker, the Rs 18,412 crore Maruti Suzuki, has seen its operating margin dented in the June quarter with raw materials costs up sharply. Revenues for the auto major were up a good 20 per cent at Rs 4,730 crore but that was not enough to prevent margins from coming off by nearly 500 basis points to just under 10 per cent.
A change in the depreciation policy
