Add punctuation: Choose carefully to get the highest quality products from the options in this genuinely beneficial category
A: Choose carefully to get the highest quality products from the options in this genuinely beneficial category.

Add punctuation: Availability rates in Varkala
A: Availability & rates in Varkala

Add punctuation: it was a measure of good sense that he accepted my argument that a PhD even from Cambridge was little evidence of research ability and that Cambridge had at that time little to teach him in statistics that could not be much better learnt from practical work in a research institute
A:
... it was a measure of good sense that he accepted my argument that a PhD, even from Cambridge, was little evidence of research ability, and that Cambridge had at that time little to teach him in statistics that could not be much better learnt from practical work in a research institute.