taking the meal of suhur:

the prophet (peace be upon him) said; "take the meal of suhur because there is blessing in it."

he also said; "the difference between our fasting and that of the people of the book (jews and christians) is taking the meal of suhur."

even taking a cup of water in lieu of suhur meal has blessings in it also.

breaking the fast as soon as the sun sets.

making du'a upon breaking the fast.

reciting as much quran as possible during the month of ramadan.