Nhfc rural subsidy payment for builder and material

I have never seen a place like this, I was approved for rural housing they approved for 135k now they only paid 38k to the hardware for foundation material and they said when the builder is done with a foundation I must send pics they will pay the builder now I have been calling for a week the builder is demanding payment they are nowhere to be found, no response on emails, no answer on their phones now the builder is irate they say they gonna destroy what they did because I **** to them I don't want to pay please nhfc release the money for my subsidy I wasn't to pay these people, respond to my emails🥲