Hello Karandeep Singh,
LanguageBar is populated by cultures defined in your web.config - localization node. You can remove the cultures that you do not need, since you use only two languages. Another option is to remove the ListItems programmatically as shown in this post - Language "Toggle"
the Telerik team
Do you want to have your say when we set our development plans?
Do you want to know when a feature you care about is added or when a bug fixed?
Telerik Public Issue Tracking
system and vote to affect the priority of the items