Notice of demonetisation period bank transactions

ch.h.c.sekhar (1) (60 Points)

04 January 2020  
can you please give me case laws relating to the facts of this case
1. Assessee disclosed the bank transactions happened in period of demonetisation in books of accounts and regarding that IT dept produced a notice stating that there is unexplained transactions in BOA/C and added back to profits.
2.My query is...
whether department action of adding back such unexplained amounts to profits is correct?? because it has already been included in BOA/C and some amount was explained and some amount not explained but everything was disclosed in ITR.