F1 ma COS garna lai pahila kunai non-immigrant visa ma entry bhako huna parcha. TPS entry lai mandainan. Pahila entry huda F1, B1/B2 ma entry bhako ra status lapse nabhai TPS liyeko ho bhane chai COS dincha. Bich ma tyo status chodera TPS ma matrai basera travel gareko cha bhane testo re-entry lai COS deny garcha. If you're under those circumstances then don't waste money. US chodne bela pani kina faltu kharcha garnu.

All the best!