Hi, @shrayud
Try some of the options posted here: Captcha- Automation
It has some solutions to that problem, one of them might work for you.
Try to look around the forum first, your problems might already have a solution posted!
Happy Automation 
Hugo Varela
ashokkarale
MD_Farhan1
Ajay_Mishra
postwick
Dheerendra_vishwakarma
Anil_G
chandreshsinh.jadeja
Gautham_Pattabiraman
vrdabberu
aravindbalineni123