Program To Accept Marks Obtained In Preliminary Exams

/*  PROGRAM TO ACCEPT MARKS OBTAINED IN PRELIMINARY EXAMS.THE MINIMUM
  	  PASSING CRITERIA IS 60, THEN HE IS ELIGIBLE TO ATTEND MAINS
  			   WHICH CONSISTS OF 2 PAPERS
  			  MIN.MARKS IN PAPER-1 -> 60
  			  MIN.MARKS IN PAPER-2 -> 70
  	 THEN HE IS ELIGIBLE TO ATTEND VIVA, MIN.MARKS IN VIVA IS 60.
  	  BASED ON THE FOLLOWING CONDITIONS, HE IS ELIGIBLE FOR THE
  			      FOLLOWING POSTS
  		 P-1+P-2+V                       POST
  	       """""""""""""                   """""""""
  		190 -> 240                        IRS
  		241 -> 260                        IPS
  		261 -> 275                        IAS
  		276 -> 300                        IFS                    */
  
  #include<stdio.h>
  #include<conio.h>
  void main()
  {	int p,p1,p2,v;
  	clrscr();
  	printf("\nEnter the marks obtained in preliminary exams\n\n");
  	scanf("%d",&p);
  	if(p>=60)
  	  { printf("\nEnter the marks obtained in mains\n\n");
  	    scanf("%d%d",&p1,&p2);
  	    if(p1>=60)
  	      { if(p2>=70)
  		  { printf("\nmarks obtained in viva\n");
  		    scanf("%d",&v);
  		    if(v>=60)
  		      { if(p1+p2+v<=240)
  			  printf("\nhe is elgible for IRS");
  			else if(p1+p2+v<=260)
  			  printf("\nhe is elgible for IPS");
  			else if(p1+p2+v<=275)
  			  printf("\nhe is elgible for IAS");
  			else if(p1+p2+v<=300)
  			  printf("\nhe is elgible for IFS");
  			else
  			  printf("invalid marks");
  		      }
  		    else
  		      printf("\nfailed in viva");
  		  }
  		else
  		  printf("\nfailed in p2,not elgible");
  	      }
  	    else
  	      printf("\nfailed in p1,not elgible");
  	  }
  	else
  	  printf("\nfailed in preliminary exam,not elgible");
  	getch();
}

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