It is clear to people internationally that local Police and College Staff are trying to cover up the Murder or Raudha Athif as a suicide. 

To prevent damage to the international prestige of Bangladesch, an investigation must be initiated by the Central Investigative Department of Bangladesch. 

They shall examine evidence in the case such as this:

https://mujunaeem.wordpress.com/2017/04/02/the-case-of-the-missing-instagram-users-from-raudha-follow-list/

And conduct an independent autopsy.