Continuation of SCSS account by joint holder after the death of 1st account holder

SCSS account 1st holder died and 2nd holder is not illegable to continue the account, in this case whether


1) it will be treated as death claim cases or premature closer case?


2) if it is death claim cases any discount is applicable ?


3) if it is premature case any interest adjustment w.e.from the death of 1st account holder is applicable?


4)whether in this case discount and interest adjustment both are applicable?