RA-00600: internal error code, arguments: [kcratr_nab_less_than_odr]

Solution:-
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Do cancel based reocvery, and apply 'current online redolog' manually
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SQL>Startup mount ;

SQL>Show parameter control_files

Query 1
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SQL> select a.member, a.group#, b.status from v$logfile a ,v$log b where a.group#=b.group# and b.status='CURRENT' ;

Note down the name of the redo log

SQL> Shutdown abort ;

Take a OS Level backup of the controlfile (This is to ensure we have a backup of current state of controlfile)

SQL> Startup mount ;
SQL> recover database using backup controlfile until cancel ;

Enter location of redo log shown as current in Query 1 when prompted for recovery

Hit Enter

SQL> Alter database open resetlogs ;