"It's his wish and there's nothing we can do about it," Sao Paulo president Carlos Silva told ESPN. "To keep a player against his wishes is counterproductive.
"I will miss having a guy in our team with such rare talent. We are obliged to accept some things and this is one of them."
Brazilian media reported that the clubs had agreed a fee of 9.5 million euros (7.89 million pounds) for the playmaker.
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(Reporting by Simon Jennings in Bengaluru; editing by Sudipto Ganguly)
