Hello Tonmoy, welcome to Steemit family and our ever-growing platform. You have made a great decision by joining us and helping us to create decentralized entity that will change the way social media and other business models work in the future. I would like to help you out in your early days by using my steem power to upvote your first few posts. Simply follow my account and tag me by @czechglobalhosts in your posts and I will make sure to read your post and upvote you! Good luck and steem on! Tomas
Also, check out this video that will help you to understand more about Steem and Steem Power! It worked out for me in my early days!