better take 2 and half min.Greeting to interviewer, my name
is Deepan chakkaravarthy.c, i did BE CSE in (college name n
year of passing).i have 3 yrs exp in non voice process, tell
ur process wt u invoiving in ur past company.(tell ur past
exp take up to 1 min).tell ur family.(take 45 seconds.).
finally tell ur hobbies with ur smile.don't tell ur
strungth. give chance to ask dis question to ur interviewr.

after tat im sure interviewer ask u for one question wts ur
strength.
u must answer ur positive is ur negative also. 
like...

im hardworker, easy to adopt to corporate culture( add some
points wt u want)
negative.Answer: some times i push people to work to
completion of work done.every one not haveing same wave length.