It'ss not for the information for applying duplicate pass certificate, it's for ur reference to make call to I.C.A.I
the above mentioned person's deals with both like Non receipt of marksheet/pass certificate & as well as issue dupilicate marksheet/pass certificate..
make a call to the above given no. u will get to know the fact.
for ur kind information,,, there will be no seperate person's will be there for issue of duplicate mark sheet & as well as not receipt of marksheet/pass certificate,,only the above mentioned person's will look after everything.