What you can and cannot do
You can:
Work for your sponsor in the job described in your certificate of sponsorship
Do a second job in certain circumstances
Do voluntary work
Study as long as it does not interfere with the job you’re sponsored for
Travel abroad and return to the UK
Bring family members with you
you can not:
Apply for a second job until you’ve started working for your sponsor
Hyderabad, Immigration, UK Work Visa For Indians