Reuters Market Eye - Shares in Indian oil explorers gain.
Oil and Natural Gas Corp is up 1.3 percent and Cairn India gains 1.9 pct.
Crude oil markets jump as much as 5 percent.
An increase in crude prices helps explorers improve realisation - traders
Meanwhile, shares of state-run oil marketing companies fall. Indian Oil Corp is down 1.8 percent, Hindustan Petroleum Corp is down 1.9 percent.
(Reporting by Indulal PM)