Here I am sharing my experiences in TCS interview, i hope it will help you a lot. I cleared Aptitude test conducted on 29th August at MLRIT Hyderabad.
  
My interview process scheduled on 2nd September morning 10:00 Am at Vardhaman Engineering College, Shamshabad, Hyderabad. I am bit late to the Interview Process, but finally i got registered at 11:30am and they said that process consists of 3 rounds
   
     1. Technical
     2. MR(Managerial Round)
      3. HR
There was totally 20 technical panels and finally gods grace i went to one of the coolest panel(T19),he is so jovial from introduction. First he asked what are your core subjects, i told operating system, object oriented s/w engineering and oops.
The questions asked are.
 
1) Write SDLC process  and explain.
2) Tell me about meyhodolgies(spiral, waterfall, prototype)
3) Polymorphism concepts
4) Virtual funtions,pure virtual functions...
5) He asked about my project   
Max i told.
Then he said that there is a book shelf contains many types of books(maths, physics, chemistry), i will remove the books, search the books and put the books. Write double linked list program for that(just create a structure with book no and book name)
I wrote the program well finally he satisfied and ask 
 5)  write a query to print the latest employee records(easy  cond:where hiredate=max(hiredate)) some easy basiscs  he ask.
Finally out of 230 members 50 eliminated in technical. Friends try to get good marks in technical it will help you in further process. I cleared technical and went to Mr panel(m7)
 

MR questions.
1) Tell me about yourself
2) Hobbies and achievements.
me told.

3) Again he ask some technical questions.

Different b/w procedure and function
Primary key, candidate key...
Inline function, all simple only
 
4) Again he asked about my project.
  me told and he asked how did you acheive security issues. Me told.
5) Then next question if i give you opportunity in testing will you do it. Me told yes
6) Similraly he asked about .net. Me yes and gave some clarification.
7) He asked about 5 strengths, 5 weekness. Me told
finally i cleared MR
30 members eliminated from MR
and i await till 8:30 in the night for HR
Finally i went to coolest HR panel..
1) Self introduction
2) Family details
3) Asked about bond and relocation.
4) Small puzzles asked
5) Some personal life questions.
Finally he asked any questions, i asked give me feedback about my communication.
he said that above average but definiely there is a chance of improvement, i felt happy.
Finally he shake handed me i told good night with a smile and i left the room.

what i want to suggest you friends be tense free, cool while you are going to MR/HR.
                             
I am waiting for the  result, it will take around two weeks.
 
I hope positive result will come and all the best for TCS aspirants.
                                                                                   by    baluuuuuuuu