Longitude   Latitude       Range      Address


72.03092000 33.28729000     50        abcd

id      Co_Lat           Co_GLng

8450    72.03092011     33.28729005
8451    73.03099001     32.28729901

id      Co_Lat              Co_GLng          Address

8450        72.03092011     33.28729005        abcd
8451        73.03099001     32.28729901     73.03099001,32.28729901

SELECT
    CT.Id,
    CT.Co_Lat,
    CT.Co_GLng,
    [Address] = COALESCE(AD.[Address],CT.Co_Lat+','+CT.Co_GLng,'')
    FROM Coordinate_Table CT
       LEFT JOIN Address_Table AD
          ON CT.Co_Lat BETWEEN AD.Longitude+0.00000005 AND AD.Longitude-0.00000005
             AND CT.Co_GLng BETWEEN AD.Latitude+0.00000005 AND AD.Latitude-0.00000005