Modi will return to New Delhi the same night.
Solih, the opposition Maldivian Democratic Party's candidate, emerged victorious over incumbent Abdulla Yameen. His term is expected to continue until 2023.
The island nation's relations with India became strained during Yameen's rule, with tensions peaking after New Delhi criticised Male's refusal to enforce a Supreme Court ruling quashing the convictions of nine opposition figures, among them former President Mohamed Nasheed.
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