Update summary/sessions/273/attendees.adoc

Co-authored-by: Ankush Kapoor <work.ankushkapoor1626@gmail.com>

Author: Ayushmore1214

summary/sessions/273/attendees.adoc

@@ -8,8 +8,11 @@
 . Anuj Gupta
 . Ayush More
 . Ayush Shukla
-. Urmil
+. Bharath K Malviya
+. GAMILTRON
 . Janvi Matani
+. Karan Mahale
 . Krupal
 . Madhura
+. Urmil
 . Yash Bandiwadekar