Sql Cursor giving same result twice,how to resolve?

<pre>USE [Opening1]
GO
/****** Object:  StoredProcedure [dbo].[HSR] ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
Alter PROC [dbo].[Sample]
AS
BEGIN
Declare @Showroomcode varchar(50),
@Startdate date,
@Stockno int, 
@Servicetag varchar(50),
@TransType int,
@Qty int,
@OP int
 
BEGIN
DECLARE Sam Cursor
STATIC FOR 
select a.showroomcode,a.startdate from 
(select distinct showroomcode,startdate from IMTable) a 
left join (select distinct Showroomcode,Startdate from HSR_OP_Bal ) b
on a.showroomcode=b.showroomcode
and   a.StartDate=b.StartDate
where b.showroomcode is null and a.Startdate='2015-09-01'
order by a.Startdate

OPEN Sam 
IF @@CURSOR_ROWS > 0
BEGIN 
FETCH NEXT FROM Sam  INTO @Showroomcode,@Startdate
WHILE @@FETCH_STATUS = 0
begin

Select Showroomcode,Stockno,Servicetag,Sum(Qty)as Qty
from
(
	( Select H.showroomcode,H.Stockno,H.Servicetag,H.OP as Qty from HSR_OP_Bal H,
	   (Select showroomcode ,Stockno,Startdate from IMTable) I
	   
	where H.Showroomcode=I.Showroomcode and H.Stockno=I.Stockno 
	and I.Startdate='2015-09-01' ) 

union all 

	(  select a.Showroomcode,a.Stockno,a.Servicetag,
		(case when TransType in (1100,1300) then Qty*1
			else  Qty* -1
		  end ) as Qty  from ConsIMEItrndata a, 
  
(Select  Showroomcode,Stockno,Startdate from IMTable) B
	 
	where A.Showroomcode=B.Showroomcode and A.Stockno=B.Stockno
	and B.Startdate ='2015-09-01'  and a.Transdate <'2015-09-01' ) )T
	
Group by Showroomcode,Stockno,Servicetag
FETCH NEXT FROM Sam  INTO @Showroomcode,@Startdate
 end
  end


    CLOSE Sam 
	DEALLOCATE Sam 
  end
  end