Error---java.sql.SQLException: ORA-01427: single-row subquery returns more than one row

IP WISE - PLOT SUMMARY
S.No	NAME OF THE IP	DISTRICT	ZONE	PROPERTY NAME	SECTOR	TOTAL AREA (EXTENT IN ACRE)								SALE AREA			VACANT			VACANT BUT UNALLOTTABLE			ALLOTTED			LAND PRICE
						GROSS AREA	BUILDING	COMMON AMENITIES					PLOTTED AREA	SALE EXTENT (IN ACRE)	TOTAL PLOTS (Nos)	TOTAL SHEDS (Nos)	VACANT EXTENT (IN ACRE)	VACANT PLOTS (Nos)	VACANT SHEDS (Nos)	VBU EXTENT (IN ACRE)	VBU PLOTS (Nos)	VBU SHEDS (Nos)	ALLOTTED EXTENT (IN ACRE)	ALLOTTED PLOTS (Nos)	ALLOTTED SHEDS (Nos)	LAND COST (PER SQM)	PF & IC REMARKS (IF ANY)	PF & IC REFERENCE NO.
								CFC		OPEN SPACE	ROADS	GB, WB & OTHERS
								SALABLE	UNSALABLE