Hi,
Let me correct ...
Your first query is "Can we call a Trigger in Stored Proc?"
Ans :- We can not, as Triggers have been written on Tables and for some events like Insert / Update / delete known as triggering events.
Your next query is "Can we call a stored proc in Trigger?"
Ans :- It is not advisable. For details you can check this...
how to execute stored procedure inside instead of trigger
Hope this will help you.
Cheers