The Samjhauta Express, often called the "Friendship Express", traditionally runs between which pair of railway stations among the following options?

Introduction / Context:
The Samjhauta Express is a well known international train service that has connected India and Pakistan. It is often mentioned in news and general knowledge material because it symbolises efforts at peace and connectivity between the two countries. This question asks which pair of railway stations the Samjhauta Express is generally said to run between, based on popular and exam oriented descriptions.

Given Data / Assumptions:

• The train in question is the Samjhauta Express, also called the Friendship Express.
• Options include combinations involving New Delhi, Lahore, Wagah, Islamabad, and Karachi.
• We assume that the question uses the common description of the train as connecting New Delhi in India and Lahore in Pakistan.
• Technical details about intermediate stops and link trains are not the focus here.

Concept / Approach:
In popular understanding and many exam questions, the Samjhauta Express is described as running between New Delhi and Lahore, linking the capitals or major cities of India and Pakistan directly. While the operational route involves Delhi to Attari on the Indian side and Wagah to Lahore on the Pakistani side, standard general knowledge references simplify this by stating that the train runs between New Delhi and Lahore. Hence, the candidate should match this common description to the options given.

Step-by-Step Solution:
Step 1: Recall that the Samjhauta Express is an Indo Pakistani train service often described as connecting New Delhi and Lahore.Step 2: Examine the options: New Delhi – Wagah, New Delhi – Lahore, Amritsar – Wagah, New Delhi – Islamabad, and Amritsar – Karachi.Step 3: Identify that the pair New Delhi – Lahore corresponds to the widely used description in textbooks and general knowledge material.Step 4: Note that other station pairs either involve different border stations or different cities not associated directly with this train.Step 5: Choose New Delhi – Lahore as the correct answer.

Verification / Alternative check:
General knowledge sources and exam preparation books commonly refer to the Samjhauta Express as the train running between New Delhi in India and Lahore in Pakistan. More detailed railway literature explains that passengers travel from Delhi to Attari and then onward to Lahore via Wagah, but even in those explanations, the overall connection is described as Delhi to Lahore. This confirms that the intended exam answer is the New Delhi – Lahore pair.

Why Other Options Are Wrong:
New Delhi – Wagah is not the standard terminus pair associated with the Samjhauta Express, since Wagah is the border station on the Pakistani side, and the Indian leg ends at Attari. Amritsar – Wagah describes only part of the historical route and is not how the full service is usually identified. New Delhi – Islamabad is incorrect because there is no direct regular passenger train described in this way. Amritsar – Karachi is also not associated with the Samjhauta Express.

Common Pitfalls:
Students may get confused by the technical details of the route and the presence of intermediate border stations like Attari and Wagah. They might choose an option that includes these names rather than focusing on the widely accepted general description of the train. For exam purposes, however, it is safest to remember Samjhauta Express as connecting New Delhi and Lahore.

Final Answer:
New Delhi – Lahore is the station pair between which the Samjhauta Express is commonly described as running.