Thanks very much for ur helps but sorry ... I don't get what u mean. I m just a beginner. Here I removed function and tested, it run, compiled but error with result.
What should I do? Thanks anyway.

c Syntax (Toggle Plain Text)

#include <stdio.h>
int main( )
{
	struct student
		{
			char name;
			char dep;
			char course;
			int roll;
			int year;
		};
	struct student d2[3];
	int i;
	printf("Enter Roll Number,Name, Department, Course, Year of Joining\n");
	for (i=0;i<=2;i++){
			scanf("%d %c %c %c %d",&d2[i].roll,&d2[i].name,&d2[i].dep,&d2[i].course,&d2[i].year);
		}
	for (i=0;i<=2;i++)
		printf("\nRoll Number:%d Name:%c Department:%c Course:%c Year of Joining:%d",d2[i].roll,d2[i].name,d2[i].dep,d2[i].course,d2[i].year);
	return 0;
}

#include <stdio.h> int main( ) { struct student { char name; char dep; char course; int roll; int year; }; struct student d2[3]; int i; printf("Enter Roll Number,Name, Department, Course, Year of Joining\n"); for (i=0;i<=2;i++){ scanf("%d %c %c %c %d",&d2[i].roll,&d2[i].name,&d2[i].dep,&d2[i].course,&d2[i].year); } for (i=0;i<=2;i++) printf("\nRoll Number:%d Name:%c Department:%c Course:%c Year of Joining:%d",d2[i].roll,d2[i].name,d2[i].dep,d2[i].course,d2[i].year); return 0; }