According to Mid Day, the leading Hindi film stars have not been seen together as a couple for a number of months.
A source for the newspaper commented: "They have known each other for over eight years now. But their differences seem to be increasing over time. There seems to be signs of boredom and things are heading for a dead end."
The actors, who appeared together as brand ambassadors for a hair care range, are reported to no longer be signing joint commercial assignments.
"The duo has also been doing solo endorsements of late while other B-Town couples are being offered joint deals," added the source.
However, No Entry star Basu denied the reports, saying: "I am used to this now. Both of us have been busy so we have not been seen in public."