Why Meenakshi Natarajan lost RS election even before votes were cast

Congress

leader Meenakshi Natarajan’s exclusion from the Rajya Sabha contest in Madhya Pradesh is no longer just a dispute over a nomination affidavit. It now raises a larger question: if a Returning Officer — the election official who scrutinises nominations and formally conducts the contest — rejects a candidate’s papers during an election, can courts step in immediately, or must the candidate wait until the process is over?