** Indian benchmark shares rise on uptick in index heavyweight Reliance Industries and a rebound in IT; falling oil prices help sentiment

** Nifty 50 .NSEI, Sensex .BSESN add 0.6% each

** Fourteen of the 16 major sectors advance; broader small-caps .NIFSMCP100 and mid-caps .NIFMDCP100 rise 0.5% and 0.4%, respectively

** Brent crude futures LCOc1 dip 2.1% to $79 a barrel, easing inflationary and macroeconomic worries for oil-importing countries such as India; other Asian markets .MIAPJ0000PUS gain 0.7%

** U.S.-Iran talks make progress on a 60-day deal roadmap, easing investor nerves after a tense weekend in which Tehran said it again closed the Strait of Hormuz and U.S. President Donald Trump threatened renewed attacks

** Reliance RELI.NS jumps 2.1% after its annual general meeting

** IPO-bound Jio Platforms, AI and new energy businesses would drive growth for the oil-to-telecom conglomerate, brokerages say

** IT index .NIFTYIT, which fell 3.7% on Friday after Accenture's weak demand forecast, stages a partial rebound on the day, rising 1.4%

** Kirloskar Oil Engines' shares KIRO.NS surge 20% after securing an order from Hypernext