Samjhauta Express, also called the Friendship Express that runs between New Delhi and Attari in India and Lahore in eastern Pakistan, restored services on Monday. /VCG Photo

The restored twice-weekly train was carrying some 150 passengers from Pakistan to India. /VCG Photo

The action took after days of the service suspension due to tense bilateral ties such as the aerial engagement between the air forces of the two countries. /VCG Photo

The train service started on July 22, 1972, under the Simla Agreement that resolved the 1971 war between the two countries. /VCG Photo