What are some facts about India that Indians are generally unaware of?

It's challenging to make generalizations about what all Indians may or may not be aware of, but here are some lesser-known facts about India that might not be widely known:

1. **Largest Number of Post Offices:**

   - India has the largest postal network in the world, with over 150,000 post offices. Additionally, India's floating post office in Dal Lake, Srinagar, is unique.

2. **Hindi as a Unifying Language:**

   - While Hindi is one of the most widely spoken languages in India, there isn't a national language. However, Hindi, written in the Devanagari script, is the official language of the Indian government.

3. **Kangra Tea's Geographic Indication (GI) Tag:**

   - Kangra tea, produced in the Kangra district of Himachal Pradesh, was granted Geographical Indication (GI) status, recognizing its unique characteristics and quality.

4. **Cobra Gold Coin Currency:**

   - The Indian state of Kerala had an ancient currency system that used copper Nellikka coins, also known as "Cobra Gold Coins," shaped like a snake.

5. **Kodinhi - Village of Twins:**

   - Kodinhi, a village in Kerala, has an unusually high number of twins. The exact reason for this phenomenon is unknown and continues to be a subject of research.

6. **Highest Cricket Ground:**

   - Chail Cricket Ground in Himachal Pradesh is the highest cricket ground in the world, situated at an altitude of 2,444 meters (8,018 feet) above sea level.

7. **Cultural Diversity - Languages and Dialects:**

   - India is incredibly diverse linguistically. It is home to over 2,000 distinct languages and dialects. Hindi and English are the official languages, but each state often has its own official language(s).

8. **Banknotes Feature 15 Languages:**

   - The Indian currency notes carry the denomination value in 15 languages, showcasing the country's linguistic diversity.

9. **Bandra Worli Sea Link Construction:**

   - The Bandra Worli Sea Link in Mumbai was constructed using pre-stressed concrete blocks that were cast on-site, making it one of the most challenging engineering projects in India.

10. **Magnetic Hill in Ladakh:**

    - There is a place in Ladakh known as Magnetic Hill where the layout of the area and surrounding slopes create the optical illusion that a slight downhill slope is an uphill slope. Vehicles may appear to roll uphill.

These facts highlight the cultural, geographical, and linguistic diversity of India, as well as some unique and lesser-known aspects of the country.