select කුඩු, පොලිස්, max(ඒකක) from (select කුඩු, පොලිස්, sum(ඒකක) as ඒකක, ව්සර from table group by කුඩු, පොලිස්, ව්සර ) where ව්සර = 2017 group by කුඩු, පොලිස්;
Did u try this
select කුඩු, පොලිස්, max(ඒකක) from (select කුඩු, පොලිස්, sum(ඒකක) as ඒකක, ව්සර from table group by කුඩු, පොලිස්, ව්සර ) where ව්සර = 2017 group by කුඩු, පොලිස්;
select කුඩු, පොලිස්, max(ඒකක) from (select කුඩු, පොලිස්, sum(ඒකක) as ඒකක, ව්සර from table group by කුඩු, පොලිස්, ව්සර ) where ව්සර = 2017 group by කුඩු, පොලිස්;
podi idea ekak dunne 
subquery ekak nathuwa ganna puluwannam hodai..


SELECT M.Kudu, M.Polis, M.Ekaka, M.Wasara FROM (
SELECT Kudu, MAX(Ekaka) Ekaka
FROM (
SELECT Kudu, SUM(Ekaka) Ekaka
FROM SriLankaPolis
WHERE Wasara=2017
GROUP BY Kudu, Polis, Wasara
) D
GROUP BY Kudu) P
INNER JOIN
( SELECT Polis, Kudu, SUM(Ekaka) Ekaka, Wasara
FROM SriLankaPolis
WHERE Wasara=2017
GROUP BY Kudu, Polis, Wasara
) M
ON M.Kudu = P.Kudu AND M.Ekaka = P.ekaka
ORDER BY Kudu
ko ban hari giyada
උත්තරේ හරිද බලන්න
Code:SELECT M.Kudu, M.Polis, M.Ekaka, M.Wasara FROM ( SELECT Kudu, MAX(Ekaka) Ekaka FROM ( SELECT Kudu, SUM(Ekaka) Ekaka FROM SriLankaPolis WHERE Wasara=2017 GROUP BY Kudu, Polis, Wasara ) D GROUP BY Kudu) P INNER JOIN ( SELECT Polis, Kudu, SUM(Ekaka) Ekaka, Wasara FROM SriLankaPolis WHERE Wasara=2017 GROUP BY Kudu, Polis, Wasara ) M ON M.Kudu = P.Kudu AND M.Ekaka = P.ekaka ORDER BY Kudu