questions: asking about milking machine availability as the cow is net allowing to milk and reduced milk production. 
 answers: recommended to go for online purchase of milking machine if possible. consult with local veterinary officer to know if any problem in udder of the cow since the cow is not allowing milking which may be due to pain and any other infection. give 1 kg concentrate feed along with normal green grasses and dry straw and minerax powder @ 50 gram/day for 10 to 15 days.