Justice J B Pardiwala posted the hearing to October 27 after public prosecutor Mitesh Amin sought time.
Aam Aadmi Party (AAP) member Nishant Verma moved the high court against the verdict of a local court which in May dismissed his plea seeking legal action against Modi for allegedly breaching the poll code on April 30, 2014.
Chief judicial magistrate of Ahmedabad rural court S R Sinh had dismissed his plea, upholding the clean chit given to Modi by the city crime branch.
The Election Commission then ordered the city crime branch to conduct a probe.
