1) You have taken permission from M.C.Has it submitted to your concerned D.I.? Has he given such permission?
2) If yes, then apply to the WBBSE for Special Leave with full pay.
3) If the WBBSE deny to give such leave, then it will be treated as EOL.
4) In case of EOL, if the MC grant such leave, then it will not treat as break of service.
5) For Higher Scale, contact to your D.I.
6) If the leave finally regards as EOL, then your increment will on 01/07/2008. On 01/07/09 (notional increment), and financial benefit avail on 23/09/09 (differ for 2 months 22 days).