Hello aspirant,

In  Pondicherry University you need to score above 55% in PU 2 to get admission in PU. Since you have secured 71.8% in PCM you are eligible for admission. With 83 merit marks you will get admission in PU.
To know more about which college to join try our new college predictor link below
https://engineering.careers360.com/jee-main-college-predictor

Hope you understand,
Thank you

Hello !

Can you please be more specific about your question? Like what rank are you talking about? Did you give any other competitive exam? 

NOTE: please post a new question with all the necessary details so that not just me but everyone else can help you out.