Quote Originally Posted by ketansetia View Post
But still problem presists
I see... you didn't tell us everything on first post, don't you ))

Quote Originally Posted by ketansetia View Post
as the table column for month and year are of type numbers..
Use to_char() to convert them from number to chars... be sure you format them correctly, two chars for month, four chars for year.

Quote Originally Posted by ketansetia View Post
ORA-01843: not a valid month is coming.
If wrongly formatted data, format it correctly.
If invalid data, fix it.