What is correct about Panchayat election?

i. There is one district election officer.

ii. There are one or more returning officers.

iii. State election commission appoints returning officer.

iv. With the consent of Commission District Election Officer can appoint returning officer.

v. Naib Tahsildar may be returning officer for Janpad Panchayat.

vi. Naib Tahsildar may be returning officer for Gram Panchayat.

vii. Naib Tahsildar may be returning officer for Zilla Panchayat.

viii. District election officer himself only returning officer

Chhattisgarh P.C.S. (Pre) - 2017