An Indian national who was killed in a bomb blast by Taliban in Afghanistan on Tuesday has been identified as K Bharath Kumar, a project engineer working with an American construction company.

Efforts are on to retrieve his body from the western province of the country.

The second Indian to be killed in two months in a Taliban terrorist attack in Afghanistan, Kumar was working on the construction of a highway between Kandahar and Herat provinces, official sources said.

He was an employee of Louis Berger for which he had been working since August, they said.

Kumar was among four people killed in the bomb blast. A Turkish national, a Nepalese guard and a local were the others killed when a remote-controlled mine blew up their vehicle in Farah province.

• Indians in Afghanistan: Fear is the key

New Delhi feels that it was an attack against a US establishment and not an Indian one. The Indian Embassy in Kabul was making efforts to retrieve the body from the site of the incident.

In November, Border Roads Organisation driver M R Kutty was abducted along with two locals by Taliban and killed two days later.

• 'The Taliban have returned'

The Taliban had left a letter demanding that the BRO wind up its operations in Afghanistan.

The BRO is engaged in construction of a crucial highway between Delaram and Zaranj in Kandahar province.

In the wake of threats, India is sending 300 commandos to protect Indians.