"Voters are turning out in large numbers to vote for #MahaParivartan which perhaps explains this desperate move. Clearly, the only thing the BJP knows how to do is branding and marketing," he said, quoting a retweet.

The SP's alliance partner Bahujan Samaj Party said it has contacted the EC.

"We have already taken it up both at the state level and with the Election Commission," its national general secretary SC Misra said.

Misra also forwarded photographs of the food packets through social media to substantiate his claim.