June 17 (Reuters) - India's stock benchmarks rose for a fourth consecutive session on Wednesday, their longest winning streak in two months, aided by falling crude oil prices after the U.S.-Iran peace deal.

The Nifty 50 rose 0.4% to 24,085.70, while the BSE Sensex added 0.45% to 77,155.62. The indexes have gained about 4% and 4.5%, respectively, in four sessions.

Ten of the 16 major sectors advanced, while the broader small-caps and mid-caps climbed 0.8% and 0.5%, respectively.

Broader Asian markets rose 0.3%. [MKTS/GLOB]

Brent crude futures hovered around $79 a barrel, after dropping 5.1% in the previous session to close near three-month lows. [O/R]

A senior U.S. official said Washington would waive sanctions on Iranian oil under the deal to end the Middle East war, raising the prospect of millions of additional barrels of supply.

"Lower crude prices are positive for Indian equities, for earnings in sectors that benefit from lower energy costs, while also supporting the macroeconomic fundamentals in the world's third largest oil importer," said Vikas Satija, managing director and chief executive officer at Shriram Wealth.

IT stocks, which are typically sensitive to U.S. interest rates, rose 0.9% ahead of the Federal Reserve's policy decision, with investors awaiting cues on the central bank's rate outlook.

The U.S. Fed is widely expected to hold rates steady at its first meeting under new Chair Kevin Warsh and could drop its easing bias from the policy statement.

Among stocks, Dixon Tech rose 4.9% after J.P. Morgan reiterated its "overweight" rating.

Defence companies surged 3.9% after the country logged record defence production and exports in the financial year 2026.

Tata Motors Passenger Vehicles fell 8.3% despite British luxury carmaker Jaguar Land Rover projecting double-digit medium-term revenue growth.

Two analysts attributed the drop to persistent worries over near-term margin or cash-flows and concerns over China growth.

(Reporting by Bharath Rajeswaran in Bengaluru; Editing by Sonia Cheema and Sherry Jacob-Phillips)

By Bharath Rajeswaran