T2 ICT Dependent -> T2 General ; T2 ICT -> T2 General Depend

[meenu8388]

Situation:
Myself - Tier2 ICT July 2010
Spouse - Tier2 ICT Long term staff partner May 2014

My spouse has a live CoS.
My Spouse would like to switch from Tier 2 ICT Dependent Visa to Tier 2 General and I would like to switch from Tier 2 ICT to Tier 2 General dependant.

Please find my details that will help in understanding the queries.
My Details:
Visa Type: T2 ICT Long Term Staff (BRP Card)
Place & Date of Issue: UK 02-04-2014
Valid Until: 31-03-2015
My first Visa Details:Type: Visa Tier 2 (ICT) Established Staff Issued on : 05/07/2010 (& Renewed from thereon)

Spouse Details:
Visa Type: Tier 2 ICT Long Term Staff Partner
Place & Date of Issue: Chennai 15-05-2014
Valid Until : 31-03-2015
Sponsor Acquired : Yes
Tier 2 General COS Start Date: 01-01-2015
Tier 2 General COS End Date:01-01-2020
Tier 2 General Application Date: Planning for 15-11-2014

Please help me with the following queries:
1. Is my spouse required to inform my sponsor about her switch from T2 ICT staff partner to T2 General?

2. My Spouse planning to request T2 General Visa starting from 01-01-2015 and if granted, Will her Tier 2 ICT staff partner VISA be valid till 31 March 2015? Or will it be curtailed to a specific date? If curtailed, then till what specific date she will hold Tier 2 Staff Partner VISA?

3. Can I switch from T2 ICT to Tier 2 General Dependent VISA within the UK? Do I need to inform my sponsor about my plan to switch VISA?

4. If I need to apply Tier 2 General dependent VISA from my home country, Is there a cooling off period applicable?

5. Can we hold two UK VISAs at the sametime, provided they have different VISA start dates?

6. What would be the clause to refer for my spouse's visa? Is it Tier2 Migrant, ICT long term staff partner or PBS dependent? Or a combination of these?

Please let me know if you require any information and kindly request your response to the queries asap. Thanks in Advance!

[meenu8388]

Plz someone help on the queries..