Dear friend, I think asheshbhowmik is right. your leave may be treated as “COMMUTED LEAVE” – the leave a that a teacher may enjoy on medical ground or for private affairs (in your case it is private affairs) , however 2 Half average pay leave will be deducted for each commuted leave from your leave account. And you can suffix / prefix this kind of leave with your study leave.
I don’t think such leave(s) may be treated as Commuted Leave(s), for Commuted Leaves may only be availed when no medical leave is due to the credit of a teacher or non-teaching employee and, that too, on Medical Certificate (Medical Certificate is mandatory for Commuted Leave). So Medical Leave(s) should be deducted in such cases.
my frnd,gpgarain, u r partially right ; see attentively LEAVE RULES. Commuted Leave can be had on Medical ground ;if no ML is at balance; and also on private affairs without producing certificates even ML is in balance.