Which one should I choose, Mu-Sigma or TCS?

Following is the answer is given by the person who faced a similar dilemma, and the answer is from their point of view.

I recall being in a similar situation - though not quite the same.
I went with Mu-Sigma and had no regrets.

I have TCS friends with whom I can compare my life - yes, I worked harder and clocked far more hours than they did at first, but the quantity I learned is unrivaled.

Unlike some other large corporations, Mu-Sigma places much responsibility in the hands of a newcomer. This way, you will be more likely to take your work seriously from the start.
In addition, when looking at the big picture, analytics is a developing business, but IT is becoming saturated (you will have new things to learn, no doubt, but a lot has been done with).

On the other hand, I have a friend who has performed exceptionally well in TCS and is rising. However, he knew exactly what he wanted and carved his way to get there.

If these are your only two possibilities, consider the type of work that would most excite you and the amount of effort you are willing to put in before making your decision.