Dear Abdulla Abdulla thank you fro your interesting and timely technical question. In addition to the useful links provided by Arvind Singh and Jaydip Datta please also have a look at the following relevant article:
A high-throughput neutralizing antibody assay for COVID-19 diagnosis and vaccine evaluation
Dear Abdulla Abdulla just one minor point: You can easily edit your question and replace "neutrilization" by the correct word "neutralization". To edit your question just click on the down arrow next to your name (see attached screenshot). 👍