Thanks a lot for valuable reply. So can I ask my employer to proceed for cos allocation in October quota ie in cooling off period and I can apply for entry clearence after November so 12 months is done.

I came to UK by 2013 in Tier2 ICT visa and by 2016 as my wife got a Tier 2 general visa I switched my ICT visa to Tier2 General dependent visa on Nov 2016. Now my employer is ready to sponsor me around September/October 2017 to switch from Tier 2 General Dependent to Tier 2 General visa so is my coo...