If you are asking about SOF IMO, then it will be conducted on 9th Feb, 2020 in different cities (Generally the students selected from a school are allotted a center in their district, if there is a particular minimum number of candidates from that district, otherwise they are allotted a nearest district).

Only the selected applicants from Level 1 will be eligible to appear for Level 2.

Also, the result for Level 1 is not declared yet. Result for Level 1 is expected to be declared in Mid-Jan.