There is research conducted at Nandini dairy with 100% success record

This news is given by IDF World Dairy Summit 2022

India's top national research organization will unveiled shortly. 

Consumers get spoiled milk various time specially in summer season

Technology named as "Time temperature based spoil indicator testing"

This is cost effective solution, will cost nominal. 

Cost for this test will be 20 to 25 paise as per CSIR