Top reason for the silence of Shri.Manmohan Singh

The top reason for the silence of our highly respected prime minister of India I.e.. Dr. Manmohan Singh. Many people would have understand that what this pic refers to by just reading the Manmohan's answer but this only is the reality his mother I.e..  Sonia Gandhi is the only reason why he don't speaks anything she is only responsible because she is the only one who don't allows him to speak