Punjab Chief Minister Prakash Singh Badal will attend the opening ceremony of his Gujarat counterpart Narendra Modi's three-day fast,which starts on Saturday in Ahmedabad. Badal will attend the opening ceremony of the fast being undertaken by Modi for peace,unity and harmony in the state,official sources said on Friday. The Punjab CM will visit Ahmedabad tomorrow and return later in the evening after attending the ceremony,they said. Senior BJP leaders L K Advani and Arun Jaitley are among the top party leaders who are scheduled to attend the fast. Modi is undertaking the fast - days after the Supreme Court verdict asking the trial court to decide on the Gujarat riots case on the basis of the Special Investigation Team (SIT) report.