In 1961 , after revival of Sandesh , Ray began contemplating the idea of making a film based on that story .
Ray was partly compelled by Ray 's son Sandeep to make a film which was less ' grim and adult ' .
In 1961 , after revival of Sandesh , Ray began contemplating the idea of making a film based on that story , and he was partly compelled by his son Sandeep to make a film which was less ' grim and adult ' .