Hi Sundarasrinivasan,

First of all congrats for securing 11k rank its quite ddescent rank in JEE MAINS 2019 . Considering your rank you there is a fair chance that you can get into some good colleges. So don't missout the registration process. Do participate in the counselling.I am here providing you some colleges where you can apply first:

All major NITs (wrangal,trichy,rourkela should be preffered first), IIIIT allahabad, DIICT, DTU,NSIT,BIT ranchi, IIIT Manipur , IIIT Pune, IIIT Nagpur, IIIT Ranchi, IIIT Surat , IIIT BhopaL, IIIT Bhagalpur  ,COEP pune ,HBTI BIT sindri,BIT patna.

hope it will help you. FOR MORE QUERY COMMENT BELOW AND UPVOTE :)