I couldn't possible choose just one. I have many favorites that I reread from time to time.

THERE R MANY GOOD NOVELS I READ … GABAN BY PREMCHAND GORA BY R N TAGORE ND SANYASI AUR SUNDARI BY YADVENDRANATH SHARMA CHANDER

I HEARD BOT WAR AND PEACE BY LEO TOLSTOY, BUT I CUDNT READ IT.

Well i never read a novel till now....but ya The Secret and Power Of Subconscious mind these two books really change my life completely