Ratan Tata beats Ford after the insult

In the given sentence, identify the segment which contains the grammatical error. Often hailed as one of the greatest industry leaders of India, Ratan Tata take across the reins of the company, leading from the front. (a) leading from the front (b) Often hailed as one of (c) the greatest industry leaders from India, (d) Ratan Tata take across the reins of the was company