1: Maximum amount of recitation of Quran Sharif
2: The least contact with the people (but subject to need)
3: Maximum amount of time in masjid
4: Keep yourself with wudhu, if possible
5: Keep pocket-size Quran. Whenever you've time recite
6: Keep away from talk and discussion with others
7: Sleep well
8: No sin
9: Dua at the time of iftar
10: Tahajjud salah before taking sehri.
11: Maximum tawba and nafli ibadat

May Allah سبحانه وتعالى give us taweef to keep the fast. Ameen