The body of Buxar district magistrate Mukesh Pandey was on Thursday found near the railway tracks in Ghaziabad, police said.
His body was found from the rail tracks about 1 km from the Ghaziabad railway station, they said, adding a purported suicide note was also recovered from the spot.
In the note it was written that Pandey, a 2012-batch IAS officer, was fed up with his life and lost his "belief on human existence".
"I am committing suicide in district centre area of Janakpuri in west Delhi...by jumping off the 10th floor of the building. I am fed up with life and my belief on human existence has gone, my suicide note is kept in a Nike bag in room 742 of a five-star (name withheld) hotel in Delhi. I am sorry, I love you all! Please forgive me," said the note, according to Senior Superintendent of Police H N Singh.
Singh said it was not immediately known that at what time or how Pandey committed suicide.
The SSP added that the post mortem would be conducted tomorrow.
Officials of the Government Railway Police who reached the spot, near Kotgaon, said prime facie it appeared a case of suicide.
Senior officials of Ghaziabad district administration also reached the spot.
Meanwhile, a senior Delhi Police official said that police received information from his friends that Pandey would commit suicide and had gone to a west Delhi mall.