Trending @Cognizant; What is PDP and Bench in Cognizant. Difference?

From June 1st I will be released from the project. I don't know what PDP is and what a bench is. I am an SA in .Net Total YOE 10.

Total how many days will I get to claim the project (I mean before the HR contacts me to put resignation)

Also how many months of compensation will I get. I am from Pune