Hello,

GAP certificate is to be submitted if you have gap of one academic year of more.Gap certificate is an affidavit to be given if you have taken a gap to prepare for any entrance exam or due to health issues.Your query isn't clear as you have not mentioned when was the actual completion year of your B.tech and which course you are doing right now, whether you have joined in any course in the year 2019.If you have further queries kindly comment below.