Shimla, June 15 -- Himachal Pradesh Public Works Minister Vikramaditya Singh on Sunday expressed deep grief over the tragic helicopter crash in Uttarakhand, in which seven people died and has called for urgent reforms and enhanced safety measures in the country's aviation sector.

In a media statement, Singh described the incident as "highly unfortunate".

"It is a big and unfortunate incident. The aviation sector in the country is not in a very good state," the Himachal Pradesh minister said.

He also referred to the recent tragedy in Ahmedabad, where 241 people died after an Air India plane crashed shortly after take off.

"A few days ago, there was an incident in Ahmedabad in which many people died. Today, seven people have died in Utt...