Nutritional status is the outcome of balanced food intake which supplies adequate nutrients for our body to maintain normal metabolic functions. The study was aimed to find out the nutritional status of tribal pregnant and lactating women residing in Rayagada district and relationship of different parameters (Type of family, literacy and income) with BMI. A cross sectional study was conducted in 4 tribal villages (Kultiguda, Pedaguda, M. Petesu and Sana Chandili) of Rayagada district. The study was undertaken involving 20 pregnant and 60 lactating women between the age of 20-35 years. A structured questionnaire was used for collecting data from the respondents. Out of 20 pregnant women,70% were found having normal BMI(18.5-24.9) and 30% were found underweight (BMI <18.5), out of 60 lactating women, 57% were found normal having BMI (18.5-24.9), 32% were found underweight having BMI (<18.5), 8% were found overweight having BMI (25-29.9) and 3% were found Grade-I obese.