Working hours

I am going to stick to this principle in office from now on. The work is estimated / planned for 8 hours and in a proper estimate, it is always calculated for a resource with average expertise on the skills. So I have to finish the same work in 5 or 6 hours if I am to be an efficient / excellent resource.

If this is not achievable, it is time to correct by asking out for guidance / help from managers.

Though it is a late realisation, it is atleast in the direction.