1.Sensex is the prime index correlated to Bombay Stock exchange(BSE) which the world tracks and I am posting the researched data for the journey of Sensex from meagre 1000 levels to new highs touching 15000+ levels.

Date(Sensex)

25 July 1990(Sensex 1000)           
03 Jan 1992(Sensex 2000)          
29 Feb 1992(Sensex 3000)             
30 Mar 1992(Sensex 4000)           
28 Oct 1992(Sensex 5000)           
11 Feb 2000(Sensex 6000)           
20 Jun 2005(Sensex 7000)          
08 Sep 2005(Sensex 8000)          
28 Nov 2005(Sensex 9000)           
06 Feb 2006(Sensex 10000)           
21 Mar 2006(Sensex 11000)          
20 Apr 2006(Sensex 12000)           
30 Oct 2006(Sensex 13000)             
05 Dec 2006(Sensex 14000)          
06 July 2007(Sensex 15000)          

2.So if we analyse then we find that maximum surge in Sensex took place in 1992 followed by year 2006.

3.So its possible that Sensex will hit 25000 by year 2010 and 50000 Sensex level may be hit by year 2020.