Welcome to the site, Mr Vikas. You can submit an article by going to the articles tab on the page and then selecting "Submit article". You can compose your article as you would normally do.
Please note that you are free to use appropriate HTML tags while composing the article. Once it is done, select " Article is ready to publish" button at the bottom. Your article is submitted.
Now, the review of your article will take time depending upon the availability of editors. If your article is approved, you will get to know through your account dashboard and through email. In case your article needs any correction, it will be sent to the pending status indicating the corrections needed. You need to do the corrections suggested and resubmit the article.
By the way, can you provide us the link to the article please?
Live....and Let Live!