President Mahmoud Ahmadinejad here Sunday expressed felicitations to the Iranian nation and Muslims all over the world on the advent of the holy fasting month of Ramadan.

The new academic year in Iran began Saturday morning with President Mahmoud Ahmadinejad ringing the bell at a boy’s elementary school in southern Tehran.

President Mahmoud Ahmadinejad said here Saturday that the young generation shoulders a heavy responsibility of nation building and helping avert a world catastrophe.