The Middle East conflict has complicated the refining calculations for Indian refiners - not just in terms of the amount of crude oil that is available, but also for the kind of crude that is available. Indian oil refiners are modifying operations to handle a wider range of complex crude grades and boost production of fuels that are currently in strong demand, as the Iran conflict and disruptions around the Strait of Hormuz force them to source crude from alternative suppliers.

The conflict has disrupted crude supplies from some of India's biggest suppliers, compelling refiners to process unfamiliar crude grades, said Ujjal K Mukherjee, chief technology…

The Middle East conflict has complicated the refining calculations for Indian refiners - not just in terms of the amount of crude oil that is available, but also for the kind of…