diff --git a/README.md b/README.md
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-# MOOCs
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+# MOOCs
+
+
+# PS/DS
+
+* <a hrtef = "https://drive.google.com/file/d/0B7Bx3G1HJn4IUS0wc3JzLXdtMmM/view?usp=sharing">Karumanchi PDF </a>  
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