Rasa Form Validation not woking. Its not asking for next slot

Hi, I am using the rasa form to collect some data. but it’s not validating and also not filling the required slots. can anyone suggest to me what I have done wrong? I am sharing my GitHub link here https://github.com/Sharath-Hanumanthaiah/RasaBot.git. please help me here.

And also suggest to me any wrong I have done in this rasa bot