NEW DELHI, Oct 24 (Reuters) - Reliance Industries Ltd

, the top Indian buyer of Russian oil, will abide by

Western sanctions against Moscow while maintaining its

relationship with current oil suppliers, its spokesperson said

in a statement.

Reliance, which is controlled by billionaire Mukesh Ambani

and operates the world's biggest refining complex at Jamnagar in

western Gujarat state, has a long-term deal to buy nearly

500,000 bpd of crude oil from Russian oil major Rosneft

.

The refiner also buys Russian oil from intermediaries.

U.S. sanctions target Lukoil and Rosneft

, Russia's two biggest oil producers.