The 40-year-old Lekha and 19-year-old Vyshnavi committed suicide after Neyyattinkara branch of the Canara Bank issued a seizure notice. The bank asked them to repay Rs 4,80,000 by May 14.
According to relatives, Lekha's husband Chandra took a loan of Rs 5 lakh to construct a house in 2003. They had paid the principal amount but failed to repay the loan instalments after 2010. Since then, the bank was demanding the balance amount of Rs 4,80,000, which was pending including interest.
Four people including her husband are being questioned by the police. Further details are awaited.