Anil kumar prakash 10.30 (also 10.21 in bangalore, officially not accepted.)
Michael Johnson currently holds the world record for the 400m at 43.18 seconds.
Usain Bolt 9.58
Wilson Kipketer of Denmark holds seven of the ten fastest 800m times in history, including his world record of 1.41.11 from 1997.
6.39s by Maurice Greene of USA.