Bollywood's "Umang" overshadows the nobility of Mumbai Police?

Recent tragic of Sushant Singh Rajput fired up the fingers of his supporters and common people against the illogical context of suicide being phrased by the Mumbai Police. How can a police confirm a death scene as suicide in the first place, even when there was a no suicide note from the deceased nor any substantial evidence? It was indecisive! The posture of Sushant after the death and marks over his body should make them skeptic. Their way of approach is quite similar to the late Jiah Khan's case. It looks there other cards for the Mumbai Police to safeguard the guilt. But here comes a big WHY?