**Explanation:**
Among the given options, Srinagar is the only station in India that experiences snowfall in winter.

**Srinagar:**
- Srinagar is the summer capital of the Indian union territory of Jammu and Kashmir.
- It is located in the Kashmir Valley, which is surrounded by the Himalayan mountains.
- Due to its high altitude and proximity to the Himalayas, Srinagar experiences cold winters with heavy snowfall.
- The snowfall in Srinagar usually occurs from December to February, making it a popular destination for winter tourism.
- The snow-covered landscapes, frozen lakes, and picturesque views attract tourists from all over the world.

**Aurangabad:**
- Aurangabad is a city in the state of Maharashtra, located in the western region of India.
- It is known for its historical monuments such as the Ajanta and Ellora Caves.
- However, Aurangabad is not located in a region that experiences snowfall in winter.
- It has a hot semi-arid climate, with hot summers and mild winters.

**Guwahati:**
- Guwahati is the largest city in the state of Assam, located in the northeastern region of India.
- It is situated on the banks of the Brahmaputra River and is known for its rich culture and natural beauty.
- Guwahati experiences a humid subtropical climate with mild winters and hot summers.
- While the city may experience some rainfall during the winter months, it does not receive snowfall.

**Ooty:**
- Ooty, also known as Udhagamandalam, is a popular hill station located in the state of Tamil Nadu in southern India.
- It is situated in the Nilgiri Hills and is known for its pleasant climate and scenic beauty.
- Ooty experiences a subtropical highland climate, with cool temperatures throughout the year.
- While the temperature may drop during winter, Ooty does not receive snowfall.

Therefore, the correct answer is option 'D' - Srinagar, as it is the only station among the given options that experiences snowfall in winter.