How many days we can be on the bench in TCS?

If you are fresher, just enjoy. They will not bother you

I think the management has a time based target, like for first 1-3 weeks they don't force much and search project for your skills. After that they harrass you by keeping you in office for 2-6 hours, or force you to take any project that comes, or they say they'll escalate.