Hello. This is Dr Pradeepti. I will attempt to make the process easier for you. Firstly, please get a physical appointment with a doctor. The doctor will ascertain that you have no lingering symptoms. Please get your RTPCR done before the appointment. It may take upto a day to be reported, hence kindly get it done a couple of days before. Though it is not mandatory to get a negative RTPCR during this wave, it is best to avoid any unforseen complications especially considering it is international travel. A physical appointment is necessary as the clearance needs to be stamped by the physician to be valid.
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I would suggest however that if your RTPCR is negative, you needn't get the clearance at all. since it was a home kit positive, it would not have been registered in the system at all. if you didn't actively register yourself, and your RTPCR before the travel is negative, you can give the clearance a miss.
Take care. You may contact me for any further assistance