Inclusion of additional services in amended st-1 form

Dear experts, One of my client being an Individual has already registered with S.T. department under the Taxable Services " Commercial Training or Coaching". Now He wants to add 2 more services detailed as under:- i) Web Portal Services ii) Foreign/Overseas Consultancy Services as to Visa related matter & Educational purposes. Now the query how these services are to be added as new services by amending ST-1 & filing online respectively under which specified taxable services as mentioned in recent notification No.145 of Department of 120 Services as per latest Service tax rules. Please guide accordingly. Thanks in advance for early reply.