Thanking her, Modi took to Twitter to post a snapshot of the letter, and captioned it: "Thank you Lata Didi. As always, your greetings and best wishes inspire me deeply."
Lata, 84, said in her letter that even though she received Modi's personal invitation to attend the ceremony at Rashtrapati Bhavan here, her health did not permit her to travel.
The letter is neatly penned in Devanagari script, and the singer has even mentioned that on the auspicious occasion, she has sent an idol of lord Ganesh as gift for Modi.