Very true, it's a complete mess now. In 2nd episode of season 2 Sesha said that her age is 118 years, that means in season 1 she was 93 years old. But Shivanya was of Ritik's age in season 1 i.e. 25 years old, so now she will be around 50. So how can Shesha and Shivanya be sisters when there is so much age difference between them?????? That means Shesha took tapasya for 100 years to become naagin but then how can she be the daughter of Shivanya's mom's sister???????? It's hell confusing!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!