Bikash Ray Productions Pvt. Ltd.

Background
Bikash Ray Productions Pvt. Ltd. was an Indian Bengali-language film company in the 1950s by film director Bikash Ray.

1st Logo (December 7, 1956)
0Lo3Hk7sFp8 Logo: On a white background, we see the company name in Bengali in a black trapezoid, with two halves of a circle above and below it. There is more Bengali text above the trapezoid.

Technique: None.

Music/Sounds: A long dark sound with a trumpet.

Availability: Only seen on Basanta Bahar.

2nd Logo (February 12, 1959)
anQK_7e95Sg Logo: On a black background with smoke, we see the same concept from the first logo in stone.

Technique: The smoke and the lights.

Music/Sounds: Same as the previous logo, but lower tone, and is played for three times.

Availability: Only seen on Marutirtha Hinglaj.

Legacy: The darkness of the logo and the music may scare someone, but others may find the sounds annoying.