Bhattacharjee was found dead at Splash Point cliffs in Seaford, East Sussex in July aged 53, after his family had appealed for help in finding the actor when he went missing the week before.
Coroner Alan Craze recorded a verdict of suicide after an inquest heard that the actor had been declared bankrupt shortly before his death, reports BBC News.
Eastbourne Magistrates' Court heard from Bhattacharjee's partner Emma McKie, who described him as a "proud" man.
She said in a statement: "He would not have wanted to let me down or hurt me or his friends.
"The bankruptcy was the final straw after a life of major highs and lows.
"I do believe that Paul would take his own life. I knew about his past and the pain inside him, and I could see it in his eyes."
Tributes poured in following the death of the EastEnders star, who played Masood Ahmed's brother Inzamam in the BBC soap on and off from 2008 until 2010.
Masood actor Nitin Ganatra wrote on Twitter at the time: "Shocked and speechless at the news of Paul Bhattacharjee. A sad day. A tragic loss. Thoughts go out to his family. Rest in peace Paul."
Bhattacharjee also had roles in Casino Royale and The Best Exotic Marigold Hotel.
Individuals who are affected by this story or are experiencing suicidal feelings, please contact Samaritans on 08457 90 90 90 or via Samaritans.org or Mind on 0300 123 3393 and Mind.org.uk Get the Inside Soap magazine on your iPhone or iPad