Update duckdb index files

Abirami--tamilwikipediadataset/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:51a344197e57c1cb7119e0545b7331b39df79527615d8162c353f753cf17dba6
-size 166211584
+oid sha256:1edbaf81d8f294b3de22ca7fdbb43ec898aa363486b027ebae9d12f5f3ef8e48
+size 165949440