How to get A band in TCS? Is it true that there is still a D band?

What will be the consequences of having D band in TCS, My previous manager was kind of sweet poison bitch. All of my friends from previous project got C and I got D as i have some bad discussion before leaving that project. I argued for ...

Is band indicating layoff announcement from TCS?

I have 12 yoe with an MBA from XLRI.

Guys need help in switching the company it's been 11.5 years in TCS with 6 LPA - if someone can refer please let me know