Which batsman started his international cricketing career at the age of 16?

Suresh Raina
Sachin Tendulkar
Piyush Chawla
Rahul Dravid

The correct answer is: A. Suresh Raina

Suresh Raina made his international debut for India in 2005 at the age of 16. He is a left-handed batsman and occasional right-arm off break bowler. He has played for India in all three formats of the game, and is considered to be one of the best all-rounders in the world.

Sachin Tendulkar made his international debut for India in 1989 at the age of 16. He is a right-handed batsman and occasional right-arm off break bowler. He is considered to be one of the greatest batsmen of all time, and is the leading run-scorer in international cricket.

Piyush Chawla made his international debut for India in 2008 at the age of 19. He is a right-arm leg break bowler. He has played for India in all three formats of the game, but is more of a limited-overs specialist.

Rahul Dravid made his international debut for India in 1996 at the age of 22. He is a right-handed batsman. He is considered to be one of the greatest batsmen of all time, and is the second-highest run-scorer in Test cricket.

In conclusion, the correct answer is: A. Suresh Raina.