The two notices, which has virtually similar wordings say that prima facie the manifestos of the two parties "have not substantially fulfilled the guidelines of the Commission".
The poll panel gave them time till 5 PM on May 15 to respond "to explain your stand for non-compliance of the guidelines of the Commission and also reflect the rationale for the promises made in your manifesto and broadly indicate the ways and means to meet the financial requirement for the same."
The show cause notice is based on complaints from people regarding the election manifestos.