Delhi Poll authorities have issued a show-cause notice to Aam Aadmi Party leader and Deputy Chief Minister Manish Sisodia over his reported casteist tweet related to AAP East Delhi Lok Sabh candidate Atishi. <br />''<br />''Mr. Sisodia has been asked to submit his reply by tomorrow evening. In its notice, East Delhi Returning Officer  has termed his comments as the  violation of model code of conduct.   <br />''<br />''<span style="color: #222222;">On 27th of last month, Mr Sisodia had tweeted in support of Atishi identifying her caste. Following this, BJP had filed complaint against the Deputy Chief Minister.</span><br />