1. What is chiefly found at Digboi in Assam, India?   Hint First letter clue   2. Of which river in India is the Sone a tributary?   First letter clue   3. In which city of India is the Gol Gumbaz mosque?   First letter clue   4. Which state of India has the largest area of forest land?   First letter clue   5. Which is the most populated state of India?   First letter clue   6. In which state of India is the Thar Desert primarily located?   First letter clue   7. What is the time difference (in hours) between GMT and IST (Indian Standard Time)?   First letter clue