Update challengers-list.md

cy2000yadav · cy20001yadav · commit 036e4a4e8ebb · 2022-09-16T20:31:11.000+05:30
Signed-off-by: cy20001yadav &lt;cy20001yadav@gmail.com&gt;
diff --git a/challengers-list.md b/challengers-list.md
@@ -1,4 +1,5 @@
 # List of challengers
 1. [Mrinal](https://github.com/mrinal1224)
 2. [Shivay](https://github.com/shivaylamba)
-3. [Raghav](https://github.com/raghavdhingra)
+3. [Chaitanya Yadav](https://github.com/cy2000yadav)
+4. [Raghav](https://github.com/raghavdhingra)
