Hi Shaharyar,
Please click here to review my analysis of your kick serve. The lessons and drills recommended to review are:
https://members.tennisevolution.com/topics/bigger-kick-serves/
https://members.tennisevolution.com/topics/serve-strategy-kick-serve-trickery/
https://members.tennisevolution.com/topics/hit-the-side-fence-drill/
https://members.tennisevolution.com/topics/kick-serve-warm-up/
Herman Krackow,
Head Coach