Kedarnath helicopter crash: What led to the fatal accident near a 'very remote' area?

A helicopter crashed near Kedarnath due to bad weather. All seven people on board died. The Aryan Aviation Pvt Ltd chopper was going to Guptkashi. Uttarakhand government has stopped helicopter services for two days. An investigation is underway. The Chief Minister has ordered a review of safety measures. Families of the victims are in mourning.