Which country invented Omicron test kit?

ICMR aprroves that india made the kit to detect covid 19 variant omicron it is a big achievement for india because the case was rising severely and it was important for india to make the kit before the situation getting more worse government are thinking about the lockdown and schools and colleges which were opened has been closed one more time online lectures has been started.Lets hope india can overcome with this tough situation.