Gujarat Chief Minister Narendra Modi refused to put on a 'skull cap' offered by a Muslim cleric during his three-day 'Sadbhavana' fast here. Sayed Imam Shahi Saiyed, a cleric of a small Dargah in Pirana village on the outskirts of the city, had on Sunday, gone up to the stage to greet the Chief Minister, at Gujarat University Convention hall.