When Will I Get My Period After Having D&C,shall I Wait,when Can I Start Using Sysron N And What Is The Dosage?

Hi this is regarding postponement of period.My last period was on 22nd november.

I had some problems like endometric wall abt 12 mm and some fibroids till then the bleeding was there to me due to which I had a D&C on 22nd Dec . Please let me know when my next period start. I need to perform the religional pooja on 26-28 .I was waiting for my date hoping to come in the middle of 18-23 ofthis month. shall i wiat till what date if not me tell me when can i start using sysron N 5 mg and the dosage i can have. Thanks in advance