Dashrathbhai Patel, who studied with PM Narendra Modi from primary school till college, said the 75-year-old dreamed of becoming Gujarat CM in 1969, three decades before taking office. Patel revealed PM Modi had vowed to restore the dilapidated memorial of twin sisters and singers, Tana and Riri, in Vadnagar, if he became CM. PM Modi kept his promise, he added.