If one goes by the 'Train Running Information' on the official website of the Indian Railways, the number of trains coming to and from Chandigarh is much more than the actual 14 pairs of Mail, Express and Passenger trains touching the capital of Punjab and Haryana.
Besides the trains actually running, as per the website, Chandigarh is connected by a direct train to Amritsar, a third 'Special' Shatabdi to New Delhi and a second train to Lucknow all of which are not running at all.
As per the site, Chandigarh has a direct train connection to Amritsar via Ambala through the 4535 Kalka Chandigarh Amritsar Express departing Kalka at 1620 hrs, Chandigarh at 1707 hrs and reaching Amritsar at 2320 hrs.
The return train 4536 departs from Amritsar at 2355 hrs, Chandigarh at 0620 hrs and reaches Kalka at 0805