Who are Mehdis or Mehdevis? Are the two same? If yes, then a person named Mehdi can be Mehdevi or Mehdi? Please send a detailed answer in about the above mentioned sects/sect?
بسم الله الرحمن الرحيم
(1) Muhammad Jaunpuri professed to be Mahdi. His beliefs were against the holy Quran and hadith. He is termed as kafir and apostate. His followers are called Mahdavi and his group is known as Mahdaviya sect.
(2) Your question is not clear, write it clearly and submit it again.
Allah knows Best!
Darul Uloom Deoband