what all are the aspects to be covered in tax audit

shiny (student) (48 Points)

01 October 2007  
please specify me what all are the aspects to be covered during tax audit..what is the limit for loan to be recieved in cash?..whether an let out property can claim interest on loan upto 150000..and wht is the limit? when do a person can claim interest on loan in house property..any amendent has came into consideration in those cases???