Practice Neural Network using PIMA dataset | Need help to verify my NN model

Hello All,

I am a student of the DeepLearning Specialization course and have recently completed Course 1 i.e. Deep Learning and Neural Networks. After completing this course, I have created an NN model using the PIMA dataset.

I request you all to verify my model and whether it is correct, I have used tanh and sigmoid functions. After building my model I am getting same accuracy for every hyperparameter tuning iteration (I am changing the number of iterations and learning rate to improve performance).

Thank you in advance. I have the PIMA dataset classification using NNURL for my GitHub repo where I have attached the jupyter file and dataset for your reference.