Question

For setting curd a small amount of curd is added to warm milk the microbes present in the curd hepl in setting in the temperature of the mixture reamins approximately betwwn 35C to 40C at place, where room temperature remains much below the range setting of curd becomes difficult suggest a way to set curd in such a situation ?

Answer 1

so you need insulation.  Take a thick clean blanket (thick cotton or woollen).  After adding curd to warm milk, place the utensil in the middle of spread blanket, and wrap the blanket around that.

Then the milk does turn in to curd and tastes good too.