According to sources, Sinha was suffering from high blood pressure and was rushed to RK Hospital in IP Extension when he complained of uneasiness.
The reshuffle comes against the backdrop of an expected shifting of Paul to UPSC.
Bassi, a 1977 batch IPS officer told media persons after taking charge from Neeraj Kumar, "If I could summarise in a sentence I would say that my priority would be to give Delhiites a safe Delhi, and for that I will try that every Delhi policeman will contribute to his best".