Task: Open calender app and create an event called  environmental day on 17th june at 10am at Huda city center metro ,sector 29 Gurugram . 
Steps:
open calendar app
click on the plus icon at the bottom right corner of the screen 
click on the event section at the bottom right corner of the screen 
Enter title as Environmental day 
click on the date section
select the date as 17th June
click on the Ok button
click on the start time
set time as 10am
set time as 10am
click on the Ok button
go to the Add location 
Enter location as Huda city center metro , sector 29 Gurugram
select the first result
click on the save button at the top right corner of the screen