Samajwadi Party MLA Abu Azmi on Wednesday said that mega star Amitabh Bachchan sharing the dais with MNS chief Raj Thackeray was an 'insult' to north Indians. Azmi, who is also the state chief of Samajwadi Party, added that he was "pained" to see the iconic actor with the politician, who had launched a tirade against the north Indians.