I have also face the same problem, after discussion with various consultants and officers, I have attaching herewith the some working, but not sure I am also trying to discussed with other Government officials. This is for information only, please take suggestion before taking final decision.
Please suggest the correct calculations.
Just a few suggestions - There is no such thing as Gross CTC. CTC as component is Gross Pay + Employer contribution to various Social Service Benefits provided to the employee including PF, ESI, Gratuity (if being allocated). Please compute CTC Separately.