Dear Yasir, 

Eysenck Personality Inventory is a good instrument. 

Article The measurement of extroversion: A comparison of the Eysenck...

Article Interrelationships of the Eysenck Personality Inventory and ...

For a rather recent overview of assessment tools see:

http://teachinternalcontrol.com/uploads/LOC_Measures__1_.pdf

For a rather recent overview of assessment tools see:

http://teachinternalcontrol.com/uploads/LOC_Measures__1_.pdf

For a rather recent overview on assessment tool see:

http://teachinternalcontrol.com/uploads/LOC_Measures__1_.pdf

Kindly check out the following URLs:

http://www.tiaspg.tecnia.in/TJMS/TJMS_Vol.7_No.2/1.%20LJ;%20PTV;%20Anshu%20Tecnia_Journal_Vol_7_No-2_2014.pdf

http://repository.up.ac.za/bitstream/handle/2263/27780/dissertation.pdf?sequence=1

https://books.google.co.in/books/about/Training_Instruments_In_Hrd_And_Od_Book.html?id=RRM-HrtnbNMC&safe=strict&hl=en

Thanks all for valuable answers.

Dear Yasir,

For your purpose you may use the Myers Briggs Test! Theres english version on internet..

I hope useful for you.

Kind regards.