Which cricketer has scored 400 runs in single innings of test match?

The correct answer is Brain Lara.

Brain Lara scored 400 not out against England in Antigua in 2004. He is the only batsman to have scored 400 runs in a single innings of a Test match.

Virendra Sehwag scored 309 runs against Pakistan in Multan in 2004. He is the second highest scorer in a single innings of a Test match.

Rahul Dravid scored 293 runs against Australia in Kolkata in 2001. He is the third highest scorer in a single innings of a Test match.

Sachin Tendulkar scored 248 runs against Bangladesh in Mirpur in 2004. He is the fourth highest scorer in a single innings of a Test match.