Parent and more than 2 step down foreign subsidiaries

Kindly guide about accounting and reflections of SC's in parent books of account

Parent Indian unlisted Public Ltd Co-A

Owns

Dubai based WOS-B

B owns 100% wos in Dubai C & 70% in African D 

Dubai C holds 100% wos in Sri Lanka E

In parent books, we are not going beyond B's accounts. Ignoring C,D,E

Auditors may qualify.

Any violation of RBI and other guidelines,AS.

Regards