Feasting and fasting in Ramzan. [By Mayank Austen Soofi] The kaleji and korma are done. The khajla has been left to soak in milk. As her daughter-in-law Sumaiya slices onions for the salad, Rashida Qureshi, 50, adds rice to yakhni. “The biryani will be ready in 15 minutes, inshallah,” she says. It is the fourth day of Ramzan, 2.30am in Old Delhi. The most sacred in the Islamic calendar, this is the month when the Quran is believed to have been sent down from heaven and revealed to Prophet Muhammad. The 30 days that culminate in Eid are devoted to purifying the soul through prayer and abstaining from negative thoughts. It is mandatory for every Muslim who has attained puberty to observe roza,