In a direct fight between ruling Congress and the BJP, the polling for by-election for Marwahi constituency in Chhattisgarh will be held on Tuesday. The by-poll was necessitated after Janata Congress Chhattisgarh MLA and former chief minister Ajit Jogi passed away in May this year. The nomination papers of Jogi’s wife Richa Jogi, who had filed nomination for the same …