It is mendatory to make logo circular?

I have uploaded my design #21100475 and ##21100476 as per your given brief. Have you checked my design yet?
Please give me some suggestions and feedbacks so that I can improve my design . Your feedbacks are extremely valuable for me to get the best designs for your brand.If you have something else in mind to help me then please write me so that I can come up with something which you like the most . Hope to receive a feedback from you asap so that I can get an opportunity to work with you.