As per Section 64 of CRPC Where the person summoned cannot,
by the exercise of due diligence be found, the summons may be
served by leaving one of the duplicates for him with some adult
male member of his family residing with him, and the person with
whom the summons is so left shall, if so required by the serving
officer, sign a receipt therefore on the back of the other
duplicate.
Explanation :- A servant is not a member of the family within
the meaning of this section.