**Explanation:**
India shares a land boundary with several countries in different directions. In the north, it shares a land boundary with Nepal.

**Nepal:**
- Nepal is a landlocked country located in the Himalayas, bordered by China to the north and India to the south, east, and west.
- The India-Nepal border is approximately 1,751 kilometers long and is defined by the Himalayan mountain range.
- The border between India and Nepal is open and allows for the free movement of people and goods between the two countries.
- Some of the major border crossings between India and Nepal include Sunauli-Bhairahawa, Raxaul-Birgunj, and Panitanki-Kakarbhitta.

The other options listed in the question do not share a land boundary with India in the north:

**Myanmar:**
- Myanmar is located to the east of India and shares a border with India's northeastern states of Arunachal Pradesh, Nagaland, Manipur, and Mizoram.
- The border between India and Myanmar is defined by rivers, mountains, and forests.

**Sri Lanka:**
- Sri Lanka is an island nation located to the south of India, separated by the Palk Strait.
- There is no land boundary between India and Sri Lanka.

**Bangladesh:**
- Bangladesh is located to the east of India and shares a border with the Indian states of West Bengal, Assam, Meghalaya, Tripura, and Mizoram.
- The India-Bangladesh border is defined by rivers, including the Brahmaputra, Ganges, and Meghna.

Therefore, the correct answer is option D, Nepal, as it shares a land boundary with India in the north.