UK Visitor Visa for 2 years

Hi,

We have applied for uk tourist visa for our mom and mother in law who are in India...

It is submitted as my husband is inviting.

Husbands mother had travelled to UK under tourist visa 2years back.
Now she has applied to seek 2years tourist visa.

My mother has applied for 6 months as she is travelling to UK for first time.
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We submitted the following documents:

From UK:
1.Tenancy agreement 2.bank statements[6 mnts] 3.utility bill 4.husbands whole passport copy. 5. deputation letter 6. reference letter 7. pay slips 8. seperate invitation letter to both of them. 9. my whole passport copy[since my mom is also travelling]

From husbands mother:
1.passport 2. her bank passbook with transactions 3. asset document 4. noc from husband 5.covering letter 6. pension book of husband as his id proof

From my mother:
1.passport 2.bank statement for 6 months 3. asset document 4. noc letter from husband 5. husbands driving license as his id proof.6. covering letter

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Query 1:

My husbands uk tier 1 visa is expiring in September 2012.

So is there a chance of rejection for my mother in law?

Query 2:

If there is a chance of rejection for my mother in law, will my moms visa also be rejected ? since they both have applied at the same time having my husbands proof.

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They have applied for the Visa today in Chennai [ 27/01/2012].
They were informed it will be dispatched in 10days.

Kindly explain if the case is positive...

Regards,

Swathika