types of fasting as per puranas

 there are 4 types of fasting

1 - Eka Bhuktham - eating only once in the afternoon

2 - Naktham - eating only in the night

3 - Ayachitham/Yadha Labdham - Eat Prasadam provided in temples or by other devotees.

4 - Sampurnam - fast without eating any food for whole day and night.