Ok, I got it dear.
Thanks

In T1 ent extension, you can apply from outside UK as well,

Please se the following link in which you can find that the extension can be filed from Outside UK as well in t1 ent.

https://www.gov.uk/tier-1-entrepreneur/extend-your-visa

But I had an option to apply from outside UK as well, so I thaught there should not be any problem

Hi,
I m on T1 ent 200k route.
I m going to submit my first extension. Can I leave UK after my biomatrics are done and wait for the decision?

Thanks