PLS REPLY AT THE EARLIEST

Situation

- The assessee is a women resident.

- She got married to person outside india and is going in july 09 for residing outside india permanently.

 She is filing return (Salary income) for the last 5 yrs. (income around 3.5 lacs) (Tax after deductions(Sec.80C & 24) comes around Rs.2000/-).

Question : My queries are  ;

1. Is she required to file return for the A.y. 10-11 the income being less than the maximmum tax free limit ?

2. It is also said that the visa authorities demands a 'no dues'  certificate from the assessee to bring from teh tax dept. regarding their case .-Is it the true.?

3. Will the Assessing officer taking the last yr return or any previous yr returns for assessment  under Sec.143 or any other section. in this case [as the assessee did some tax planning in previous yrs.]

4. IF THE NO DUES CERTIFICATE IS TO BE TAKEN, PLS TELL THE PROCEDURE FOR THE SAME......

& KINDLY GIVE UR COMMENTS AS TO THE ABOVE SITUATION including the relavant provisionsbeing affecting in this circumstance and frm those also who practically dealt with the above....

pls reply at the earliest.

tons of thanx........