diff --git a/preprocess.py b/preprocess.py
new file mode 100644
index 0000000..ca95192
--- /dev/null
+++ b/preprocess.py
@@ -0,0 +1,26 @@
+from sentence_transformers import SentenceTransformer
+import faiss
+import pandas as pd
+
+def preprocess_medquad():
+    # Load MedQuAD dataset
+    data = pd.read_csv("medquad.csv")  
+    questions = data['question'].tolist()
+    answers = data['answer'].tolist()
+
+    # Generate embeddings
+    print("Generating embeddings...")
+    model = SentenceTransformer('all-MiniLM-L6-v2')  # Pre-trained sentence transformer
+    embeddings = model.encode(questions)
+
+    # Build FAISS index
+    print("Building FAISS index...")
+    index = faiss.IndexFlatL2(embeddings.shape[1])
+    index.add(embeddings)
+
+    # Save the index
+    faiss.write_index(index, "medquad_index.faiss")
+    print("Index saved as 'medquad_index.faiss'")
+
+if __name__ == "__main__":
+    preprocess_medquad()