The academy graduate has spent the last 18 months in the first-team squad, making a total of 24 appearances in all competitions.
According to Fanatik, Galatasaray will try to tempt Spurs into parting ways with the youngster before the end of the summer transfer window.
The report suggests that the Turkish giants are keen to agree terms over a season-long loan deal with the option to buy next summer.
Tanganga still has four years remaining on his contract, leaving Spurs in a strong position with regards to his future. body check tags ::