Kavita is the mother-in-law of Beena, who is the sister-in-law of Ashish :
Answer: (4) Mother
Beena’s Mother-in-law Kavita.
Sanjay and Ashish are Brother.
Beena is sister-in-law of Ashish, means wife of Sanjay.
Therefore, Dinesh and Kavita are husband -wife.
So, Kavita is mother of Sanjay and Ashish.
Hence, the correct answer is option (4) Mother.