diff --git a/Basic Select/Weather-Observation-Station-3.sql b/Basic Select/Weather-Observation-Station-3.sql
index acba082..98ce076 100644
--- a/Basic Select/Weather-Observation-Station-3.sql	
+++ b/Basic Select/Weather-Observation-Station-3.sql	
@@ -1,2 +1,7 @@
 # Author: Thomas George Thomas
-Select distinct city from station where ID%2=0;
\ No newline at end of file
+Select distinct city from station where ID%2=0;
+#Author : Udayan
+SELECT CITY FROM STATION WHERE ID MOD 2 = 0 GROUP BY CITY HAVING COUNT(*) >= 1;
+#another
+SELECT CITY FROM STATION WHERE ID % 2 = 0 GROUP BY CITY;
+