New Delhi: Ever since stellar actor Irrfan Khan opened up about his health condition on Twitter, there have been numerous rumours doing the rounds. The actor in his post requested people to not speculate about the disease as he will reveal more once the doctors draw any conclusion. Recently, speculations were rife that the actor is suffering from Brain Tumour and is admitted to Mumbai's Kokilaben Hospital. While the hospital officials refuted the claims, Irrfan's wife Sutapa Sikdar opened up about her husband's health on Facebook. In the statement posted by Sutapa on Facebook, she thanked all his fans for their concern and good wishes but also requested them to stop speculating about Irrfan's disease. She wrote, 'Let’s not waste our precious energies to only know what it is.'