Markets gained for the second straight session to kick-off the September F&O series on a robust note.
Top gainers from the Sensex pack are Infosys, Cipla, NTPC, ITC and Lupin
Indian basket at 6-month low of $49.11 a bbl
Saudis are interested in expanding their relationship with India, given it is becoming the main driver of crude demand growth in Asia
OPEC agrees to keep pumping as oil glut fears persist.
India expects to remain unscathed this time, mainly because it is in a sweet spot as the world's third largest oil consumer, after the US and China, says Subhomoy Bhattacharjee.
Saudi Arabia's deep pockets and a strong financial system could help the country to ride out a low-price environment in order to protect its market share.
Global supply is staying in excess of demand.
Low fuel prices to help oil marketing and refining sectors but upstream players will stay under pressure.
India is the world's fourth-largest importer of natural gas, accounting for six per cent of the global market.
The task of Union Finance Minister Arun Jaitley to keep inflation under check, even when the country reeled under severe drought for two years in a row, and reduce the current account deficit, was made easier by low crude oil prices.
The 30-share Sensex ended 53 points higher at 28,439 and the 50-share Nifty closed 18 points higher at 8,494.
World trade has been growing slower than world GDP since 2012.
Emissions would still keep rising till 2030, and the path towards global warming would improve to 2.7c.
India's macroeconomic situation has benefited from oil prices' decline.
Pushing a barrel of oil back to around $100 would require a reduction of production of about two million barrels a day - a cut that would fall predominantly on Saudi Arabia.
Belgian-born Rich, whose trading group eventually became the global commodities powerhouse Glencore Xstrata, died in hospital from a stroke.
Because of India's weak fiscal position, the plethora of debt-burdened infrastructure companies and the poor asset quality of public sector banks, economic growth in 2015-16 may be limited to about six per cent, say Shankar Acharya.
Optimism about a stable govt at the Centre, a demand revival and falling oil prices buoyed the markets.