She's not fleeing from Mumbai Police since they are treating her with most extreme regard and the answers of both in Supreme Court likewise have been accepted to be comparable.
She's anxious about Bihar Police, CBI and ED. Since now the entire nation realizes that Mumbai Police and Maharashtra Govt is getting orders and under tension by a controlling power, so they are just altering the confirmations, ensuring the offenders and passing injurious comments for the family and now in any event, requesting that the general population stay quiet.
We can plainly observe here the distinction how reasonably Mumbai Police is examining by-
Orchestrating the assurance of the blamed
Halting the Bihar Police in their examination by taking them in a police van not long before they were going to address the media in a public interview.
Also, the 'virtual detainment' of IPS Vinay Tiwari for the sake of quarentine-
Thus, she and her managers are completely sheltered as long as Mumbai Police is incharge of the examination and we as a whole know Maharashtra govt will never under any circumstance permit CBI test.