The Registration Act, 1908
§36 — Procedure where appearance of executant or witness is desired
If any person presenting any document for registration or claiming under any document, which is capable of being so presented, desires the appearance of any person whose presence or testimony is necessary for the registration of such document, the registering officer may, in his discretion, call upon such Officer or Court as the [State Government] directs in this behalf to issue a summons requiring him to appear at the registration office, either in person or by duly authorised agent, as in the summons may be mentioned, and at a time named therein.