P7 was tried with TN. But P4 is enough as of now. But it does get P7 sometimes like you can see in the video I have attached(Courtesy:Ankur Paliwal). It got 30411 few days back when it was rescheduled. Even GT mail gets GZB P5/7 sometimes na? But GT mail needs a P7 for that bounty of halts!:D