Visakhapatnam: Pointing out that Andhra Pradesh's infant mortality rate is much higher than neighbouring states, the NGO Praja Arogya Vedika on Thursday asked Chief Minister N. Chandrababu Naidu to increase the state's healthcare budget to 6 per cent of the gross state domestic product. Anaemia rates among children aged 6 to 59 months have also risen, increasing from 59 per …