NEW DELHI: Nearly 400 paramilitary personnel were killed due to firing from across the Indo-Pak border, and terrorist and insurgency violence in the country in the last three years, officials said Wednesday.

The highest number of personnel killed in action were from the Border Security Force (BSF).

The force lost 167 personnel between 2015 and 2017, and a majority of them were killed while guarding the highly sensitive border.

The Central Reserve Police Force (CRPF) has lost 103 personnel in the last three years, mostly while fighting Naxals and militancy in Jammu and Kashmir, a Home Ministry official said.

While the BSF lost 62 personnel in action in 2015, 58 in 2016 and 47 in 2017, the CRPF lost nine personnel in action in 2015, 42 in 2016 and 52 in 2017.

As many as 48 personnel of the Sashastra Seema Bal (SSB) were killed in action in the last three years of whom 16 were killed in 2015, 15 in 2016 and 17 in 2017, the official said.

The SSB guards the Indo-Bhutan and Indo-Nepal border. The troops of the force is also deployed in internal security duties.

A total of 40 personnel belonging to the Indo Tibetan Border Police (ITBP), which guards the Sino-Indian border, were killed in action between 2015 and 2017. Among them, 15 personnel were killed in 2015, 10 in 2016 and 15 in 2017.

Altogether 35 personnel of the Assam Rifles, which guards the Indo-Myanmar border and fights militants in the northeast, were killed in action in the last three years.

Eighteen personnel of the Assam Rifles were killed in 2015, nine in 2016 and eight in 2017.

The Central Industrial Security Force (CISF) has lost two personnel in action in the last three years -- one each in 2016 and 2017. There were no casualties in 2015 from the CISF, which guards, airports, nuclear installations, metro services and other sensitive locations, another official said.