The announcement came a week after PM Modi received U S  President Barack Obama in New Delhi, promising closer cooperation to maintain free navigation in the South China Sea, deeper defence ties including work on aircraft carrier technology and more civil nuclear collaboration.
China had agreed that the visit would be before the end of May, India's foreign ministry spokesman said, but the final date has yet to be set.
"We want the visit to happen in the first year of the government," spokesman Syed Akbaruddin said.
While Modi is keen to work more closely with Washington than his predecessors, he also wants to build strong relations with other powers including China, with whom India shares USD 66 billion in annual trade but has a long-running border dispute and fought a brief war in 1962.
Modi's travels since assuming office have included trips to Japan, the United States, Brazil and Australia.
During a trip to Beijing at the weekend, Foreign Minister Sushma Swaraj promised "out of the box" ideas to jump-start talks about the disputed territory in the east and west of the Himalayas, according to media reports. Discussions have made little progress in 17 rounds since 2003.
Chinese President Xi Jinping visited India in September and promised some USD 30 billion of investment, but the trip was overshadowed by a standoff between Chinese and India troops on the remote Himalayan plateau of Ladakh.

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