A day after BSP supremo Mayawati kicked off UP poll campaign, Samajwadi Party chief Akhilesh Yadav said that 'Ambedkarwadis' should join hands with his party. "I've always said that Ambedkarwadis should join Samajwadis because we've to save the constitution and democracy. I appeal again to Ambedkarwadis to join us," said Yadav when asked about BSP's impact on SP-RLD alliance.