upto what time do chandani chowk opens in night

Hi ladies can you pls tell me that upto what time do the chandani chowk shops are open in night. as I will be reaching delhi in the evening by 6 n will take time to chkin and then go to shopping as I want to shop for some fabrics and laces. or if you can suggest some other market options which are open on sunday as next day is sunday n chandani chowk is closed..
pls ladies it will be a gr8 help..pls guide me..