The objectors specifically contended that the affidavit in Form-26 submitted by the candidate was invalid and incomplete. Returning officer (RO) for the by-election, Umesh Kumar Sharma, passed an order on Tuesday after scrutinising the. BHOPAL: Union Minister Hardeep Singh Puri's nomination as the ruling BJP candidate for the November 12 Rajya Sabha by-election from Madhya Pradesh was cleared by the Returning Officer (RO) on.