Tamil Nadu coast remains mainly dry during the southwest monsoon season. Which of the following are the factors responsible for it?

1.    The Tamil Nadu coast is situated parallel to the Bay of Bengal branch of S.W. monsoon

2.    It lies in the rain shadow area of the Arabian Sea branch of the South West monsoon

3.    As relative humidity of interior Tamil Nadu is low, the moisture in the S.W. monsoon get evaporated

Of the above statement which combinations is correct