Having discussed

0Hi,02br
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01font00Hi Harry/Wai,02font02br
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01font00As discussed, the submission should be based on the new report from the system.02font02br
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00Best wishes, Clive0-

is this sentence correct "i was having discussed some issues" if it is correct so what the different b/t "i was discussing some issues". Please help me ..

Sabih "i was having discussed some issues"

No. That is not a correct tense form.
Also "I" is always capitalized.

Here are some past (finite, with tense) forms you can use:
I have discussed (present perfect)
I had discussed (past perfect)
I was discussing (past progressive)
I discussed (simple past)
I have been discussing

dear sir, i know whatever you mean but i have seen many sentences like this that's why i am asking for this one.

thanks dear.......

Sabih Thanks dear.......

Your politeness is appreciated, but it is inappropriate to address anybody but a close friend as 'dear'. Males almost never use this form of address to anybody outside the immediate family,

Thanks sir, what should i use instead of "dear" for the one whom i am not yet closed with.

Thanks sir. What should I use instead of "dear" for the one whom I am not yet closed with?

Nothing. Just say "thank you."

Thanks sir for your help.

SabihThanks sir for your help.

Remember that many who respond in this forum are female.

Even if you knew the person you were addressing was male, 'sir' would not be appropriate in this forum. Either use the person's name or, as AS suggested, nothing.