Dear Professional Collegue,
if you want to check that how many articles are working as article currently or in past with a CA then use the following link :-
replace 123456 with CA's member ship number ... !
now if you want to check ur frnd's details regarding articleship (completion of articleship and information relation to transfer during period of articleship) .. then click on the following link :-
replace NRO123456 with students registration number(NROxxxxxx/CROxxxxxx/WROxxxxxx) !