1.As per Income tax act,Income from salary will be liable to tax based on due or receipt basis whichever is earlier.Henceforth according provision of tax you will liable to tax even if salary is not received.
2.No need to attach form 16 to file your income tax return.But you should know the breakup of salary ,TDS amount deducted,and TAN no of employer to file your return.
however it is your statutory right to ask for form 16 from employer and employer himself dosenot issue such form before 15 april 2010 he is liable to pay penalty and under default
please feel free to ask any question .my mail id
with regards.
vaibhav