Sixteen Indian Army personnel including three Junior Commissioned Officers (JCQs) were killed in a road accident when the vehicle they were travelling in fell into a gorge while negotiating a sharp turn at Zema in North Sikkim, the Army said.
It said four injured soldiers have been air evacuated.
"In a tragic road accident, involving an Army truck on December 23 at Zema in North Sikkim, 16 bravehearts of the Indian Army have lost their lives," the Army said in the statement.
Defence Minister Rajnath Singh said he is "deeply pained" over the loss of lives of the personnel.
"The nation is deeply grateful for their service and commitment. My condolences to the bereaved families. Praying for the speedy recovery of those who are injured," he said in a tweet.
The Army said the truck was part of a three-vehicle convoy that moved from Chatten in the morning towards Thangu.
"Enroute at Zema, the vehicle skidded down a steep slope while negotiating a sharp turn. A rescue mission was immediately launched, and four injured soldiers have been air evacuated," the Army said.
"Unfortunately, three Junior Commissioned Officers and 13 soldiers succumbed to the injuries sustained in the accident. Indian Army stands firm with the bereaved families, at this hour of loss." it said.
President Murmu 'anguished' over death of soldiers
President Droupadi Murmu on Friday said she was anguished to learn about the death of 16 Army personnel in a road accident in Sikkim.
She offered heartfelt condolences to the families of the deceased and prayed for the speedy recovery of the injured.
Sixteen Army personnel including three Junior Commissioned Officers (JCOs) were killed in the road accident when their truck fell into a gorge while negotiating a sharp turn at Zema in North Sikkim.
"Anguished to learn about the loss of lives of brave soldiers of Indian Army in a road accident in Sikkim. My heartfelt condolences to the families of the deceased. I pray for the speedy recovery of the injured," Murmu tweeted.
PM Modi expresses grief
"In a tragic road accident, involving an Army truck on December 23 at Zema in North Sikkim, 16 bravehearts of the Indian Army have lost their lives," the Army said in the statement.
It said four injured soldiers have been air-evacuated.
Quoting Modi, the PMO tweeted, "Pained by the loss of lives of our brave army personnel due to a road mishap in Sikkim. Condolences to the bereaved families. May the injured recover soon."
Home Minister Amit Shah condoles death of Army jawans
"Anguished to learn about the tragic road accident that took away the lives of our brave Army soldiers in Sikkim. I express my heartfelt condolences to the bereaved families. The injured have been provided with every possible assistance, may they recover at the earliest," Shah tweeted.