Which of the following statement/statements are correct?

Which of the following statement/statements are correct?
    (a)    Convention of Nationality was adopted in 1928
    (b)    Convention of Nationality of married women was adopted in 1957
    (c)    Convention on the Reduction of statelessness was adopted in 1961
    (d)    Convention on the Nationality of newborn child was adopted in 1938
    Select the correct answer using the code given below