Lack of clarity on diesel pricing policy has resulted in automobile companies, including Maruti Suzuki and Hyundai, holding up investments of more than Rs. 3,000 crore in India, according to industry body SIAM.

"Many of our members are still unclear whether they should invest on diesel technology or not in India as there is no clarity on how the fuel will be priced in future. This has resulted in more than Rs. 3,000 crore of investment being held back