Veena is the sister-in-law of Ashok and the daughter-in-law of Kalyani. Dheeraj is the father of Sudeep, who is the only brother of Ashok. Since Veena is sister-in-law to Ashok, she must be married to Ashok's brother Sudeep. Kalyani, being the mother-in-law of Veena, is therefore the mother of Sudeep and Ashok. Hence, Kalyani is Ashok's mother