Changing VISA and ILR possible?

[Rajendra]

I am in UK on a Tier 2 ICT Visa , and details are as below:
My Visa got stamp in 22 Sep 2009.

1. Sep -2009 I got Visa Stamped ( Visa Tier 2 (Intra Company Transfer - Long term) Migrant.
(From - 22/09/09 till 22/10/2011)

2. Visited London First time on 12th Oct 2010

3. Till date I got renewal from London. I stayed continuously in London and there is no gap beyond 40 days every year.

Currently My company is not giving me letter for ILR..

So I am changing the VISA to tier 2 general. by April first week. and planning to run the salary for Current employer and new employer salary at end of April month.

ON May 1 week I am planning for ILR.

So my queries are please answer it

1. IS it possible to run the salary for both the employer for 1 month(ie is April end) ?

2. Do I am eligible to work in my old company after I get the start date of the new company. Because if I do not have sufficient days to serve notice period in my old company, what option do I have?

3. I am planning to apply ILR after 1 month of joining the new company. In that case do I need to submit 1 month payslip of new company or 1 month payslip of new company plus 11 month payslip of old company.?

Please reply to my queries. Will really appreciate your genuine help !!