Dehradun, June 15 -- The Aircraft Accident Investigation Bureau (AAIB) will investigate Sunday morning's helicopter crash near Gaurikund in Uttarakhand's Rudraprayag District, the Directorate General of Civil Aviation (DGCA) stated.

The DGCA further said that, in light of the crash, the frequencies of helicopter operations to Char Dham would be reduced as a precautionary measure.

Enhanced surveillance and operational reviews are also being carried out by DGCA.

"Today, Aryan Aviation Bell 407 helicopter VT-BKA operating flight on sector Shri Kedarnath ji- Aryan Helipad, Guptkanshi, was involved in an accident. There were five passengers, one infant and one crew member on board. The helicopter took off at 05:19 hours for Guptkanshi and c...