Sir still same problem, only the Repeat every 10 seconds is working.
I have uploaded the files with no errors.
I tried to copy all necessary files to the sketchbook location and the below libraries are now automatically highlighted in orange color (but I just don't what does bold orange font and non-bold font of the files means. The Time.h, DS3231.h, DS3231RTC and LiquidCrystal.h are now in bold orange font). The others are not in bold font. All I presume is that if the file name font is black in color, it just that the library is not suitable for a particular project.
#include <Time.h>
#include <Wire.h> // in bold orange font
#include <DS3231.h>
#include <DS3231RTC.h> // in bold orange font
#include <TimeAlarms.h>// in bold orange font
#include <LiquidCrystal.h> // in bold orange font