So entrance pattern for MA(sociology) will be objective type for Dec'18 exam? Is it confirmed?
Are you asking for JNU MA Sociology? If yes then M.A Sociology exam will be subjective, To check the complete information about you can go through with the given below link.
https://admissions.jnu.ac.in/Prospectus/JNUEE/SSS%201.pdf
Good Luck!