Update duckdb index files

.gitattributes

@@ -336,3 +336,4 @@ tamil/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 tamil/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 tamil/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 telugu/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+telugu/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

telugu/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fd9da6aad9d7f5e34ef683744167ab4b2fb1914d8ddb8f8a7202bd417c51d19c
+size 36188160