I was told the briyani from the Geylang Serai stall with the three sisters is quite good. So when I checked out the Ramadan bazaar, I had to pack some home to try. The mutton briyani (S$3.50) is well-flavoured but fell short of that wow factor. Hamid's mutton is more tender and seems a better deal.The chicken briyani (S$4) is more expensive than the mutton briyani. But you …