Read this for clarity.
Reg NEET it continues as UG entrance. And SS entrance.
PG NEET is replaced by NEXT,
graduates can also appear for NEXT , but conditions, pattern of test, quota for freshers vs repeaters is being formulated.
The concept behind NEXT @ final year is to discourage PG entrance preparation during CRRI Period.
but for those who cleared NEXt and become CRRI but with lesser marks,
Those graduates yet to get pg, the conditions limiting the number of appearences, period between 2 appearances, restriction for cRRI To appear for 2 yrs etc is being formulated.