This has been confirmed by Tally Solutions, Bangalore the email text is reproduced herewith:-
"This is with reference to your below email, regarding code is not working in Tally 7.2 Release 1
Please suggest the customer to upgrade the Tally 7.2 Release 3.13, if the customer is using hard lock then please suggest the customer to use Tally 7.2 Release 1.42
Please note : Some bugs which was there in Tally 7.2 Release 1 that's has been rectified in Tally 7.2 Release 1.42 to 3.13"