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

S.No	NAME OF IP	SECTOR	PLOTTED AREA			SC/ST RESERVED												LAND COST (PER SQM)	PF & IC REMARKS
			EXTENT (IN ACRE)	PLOTS	SHEDS	TOTAL			VACANT			VACANT BUT UNALLOTTABLE			ALLOTTED
						EXTENT (IN ACRE)	PLOTS	SHEDS	EXTENT (IN ACRE)	PLOTS	SHEDS	EXTENT (IN ACRE)	PLOTS	SHEDS	EXTENT (IN ACRE)	PLOTS	SHEDS