New Delhi, June 18 -- On June 17, Pushkaraj Sabharwal stood with teary eyes and folded hands outside his Mumbai home. He paid the final tribute to his son, Captain Sumeet Sabharwal. The seasoned pilot died in the tragic Air India AI-171 crash in Ahmedabad on June 12.

Now, an open letter shared by veteran pilot Captain Shakti Lumba has gone viral. The writer of the open latter, whose name is withheld, addressed Air India Chairman N. Chandrasekaran's alleged absence during Captain Sumeet Sabharwal's funeral.

The open letter pointed out that Chandrasekaran was in Mumbai on the same day but didn't attend, nor did any Air India or Tata Sons board member.

"No shoulder to lean on. No condolences delivered in person. One wonders: is this the "...