Do not worry
my case also in TSC:
12/15 DOS recommendation letter
12/30 INS receipt
2/28 waiver approved.
BTW,one of my friends got all of these about one month(JAN to FEB).
my case also in TSC:
12/15 DOS recommendation letter
12/30 INS receipt
2/28 waiver approved.
BTW,one of my friends got all of these about one month(JAN to FEB).