Hi krishnakant, I am in somewhat similar situation. My husband H1b got approved on 9Jan2019 with COS from that date and I have filed my I-539 on 28Jan2019. We have our F1 and F2 visa valid till Oct2019. Now we have taken visa stamping appointment date and my COS has not yet approved. Is there will be any questions regarding out of status while visa stamping? Can I travel back to India before my COS approves? Thank you in advance.