Can you list the things due to which you feel left out?
Once you make the list, start working on those areas, for ex. if technology is the base, the you will need to invest time and energy to learn the technology. If the current updates in the laws is a area, then update yourself on those grounds, by joining a HR group or learning from the internet sites,
There is nothing that is impossible, but you need to know, where you are falling behind. Self assessment in the right direction. This will help you to cope and learn and unlearn a few things to be at par with your collegues.