Hi Rajat,
It is more than okay to use your pictures at multiple platforms including Tripoto, as long as the content is your own you can choose to borrow it from your blog posts and publish it here. Just make sure no content is plagiarized, 'cause that'd be uncool! Your own photos and blog content are totally cool though. Happy blogging!!
My blog is travel blog dedicated to showing the beauty of China ancient and modern. I can say that at https://www.aucklandconcretedriveways.co.nz/ and get more new tips about materials. I hope that, while you are here, you learn a little more about who we are and what makes us tick; get inspired by the images and stories posted here, and perhaps even find a way to make a dream become reality as I have done over and over again. From my heart to yours, take care.