Animosity between Kosovo and Serbia has persisted since the war between Serbian forces and ethnic Albanian insurgents in the late 1990s.
The 25-year-old player's entourage called the report a "slanderous rumour" and threatened to take legal action.
East Bengal FC held Mohammedan SC to goalless draw despite being down to nine men in the Indian Super League.
Top seeded Vishnu got the better of Bhicky Sagolshem of Manipur in the second-round match as he registered a 6-3, 5-7, 6-2 win, while Revathi looked in complete control of
Manchester United, reportedly, aim to bring more reinforcements to the squad next summer and have already listed down their targets.