Keep it sharp—mention specific concepts from their papers, and tie it to your undergrad project. They look for obsession, not just interest. For top IITs/IISc, August is too late; aim for April-June, right after spring semester ends.
I learned this by emailing 27 professors last May from our dhaba's wifi corner. Only two replied, but bhaiya says my stubbornness is a Pahari trait. One even called while I was watching the mist, asking about my code—dil se, it was worth the 4AM chai and shaky connection.
#work#career
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