Resolved Questions on CDC

i have issued panama cdc from london so how i can check that the cdc is valid or not

also tell me is it neccessary to hav INDos no. as my stcw courses r from a panama recognized institute plz help me.

Do you know what are the central depository company and the central depository system in Karachi stock exchange?

gokulkumar pulappattassery date of birth 02 jan 1981