Indian Geography

Step 1: Understanding the Concept:
India has special bilateral agreements with some of its neighboring countries that allow for freedom of movement for their citizens across the borders without requiring a passport or visa.
Step 2: Detailed Explanation:
Due to a long-standing special relationship formalized by the 1950 Indo-Nepal Treaty of Peace and Friendship, Indian citizens can travel to Nepal without a passport or a visa.
A valid government-issued photo identity card, such as a Voter ID card or an Aadhaar card, is sufficient for entry into Nepal.
Similarly, Indian citizens can also travel to Bhutan without a passport, requiring only a valid photo ID.
However, travel to Bangladesh, Sri Lanka, and Pakistan requires a valid passport and a visa.
Since Nepal is one of the options provided, it is the correct answer.
Step 3: Final Answer:
Among the given options, Nepal is the neighboring country that Indian citizens can travel to without a passport or visa.

Step 1: Understanding the Concept:
'Seven Sisters' is a popular term used to describe a specific geographical and political region of India.
Step 2: Detailed Explanation:
The term 'Seven Sisters' refers to the seven contiguous states in the North-Eastern region of India.
These seven states are:
1. Arunachal Pradesh
2. Assam
3. Manipur
4. Meghalaya
5. Mizoram
6. Nagaland
7. Tripura
This name was coined in 1972 by a journalist named Jyoti Prasad Saikia, acknowledging their interdependence and similarities. The state of Sikkim was later added to the region and is sometimes referred to as the 'brother' to the Seven Sisters.
Step 3: Final Answer:
The term 'Seven Sisters' is related to North-Eastern India.