Update README.md

Author: iamrajee

README.md

@@ -176,7 +176,7 @@ This ROS melodic workspace is created on Ubuntu 18.04.  Here I have worked on se
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 | <a href="https://github.com/abhinand4as" target="_blank">**Abhinand A S**</a> | <a href="https://www.linkedin.com/in/sachin-rustagi-882b55145/" target="_blank">**Sachin Rustagi**</a> | <a href="https://www.linkedin.com/in/amin-swamiprasad-pkd-17732b152/" target="_blank">**Swami Prasad**</a> |
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-| ![](https://avatars1.githubusercontent.com/u/39904014?s=200&v=4) | ![](https://avatars0.githubusercontent.com/u/2555224?s=200&v=3) | ![](https://avatars0.githubusercontent.com/u/917816?s=200&v=3)  |
+| ![](https://avatars1.githubusercontent.com/u/18076234?s=200&v=3) | ![](https://avatars0.githubusercontent.com/u/2555224?s=200&v=3) | ![](https://avatars0.githubusercontent.com/u/917816?s=200&v=3)  |
 
 
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