Hi Sreekanth,
Thanks for contacting Syncfusion support.
Query: To know about calendar Ui for xamarin forms which help me in developing the calendar view
MonthViewSettings - We can customize the calendar view in monthView mode by using MonthViewSettings.
YearViewSettings - We can customize the calendar view in yearView mode by using YearViewSettings.
BlackoutDates - SfCalendar control provides option to black out the desired date which is in disabled state among the visible dates.
FirstDayofWeek - FirstDayofWeek property is used to Change the first day of week will be applied to both month and year view
Locale - Localization can be specified by setting the Locale property of the control using the format of Language code followed by Country code.
Please find the complete getting started sample from this link.
Sample:
http://www.syncfusion.com/downloads/support/forum/136613/ze/samplecalendar1307627072