Howrah Junction platform number 8 0nly few trains who leave Howrah's Platform number 8 and arrives Platform number 8
Here is the list
12301/12302 Howrah-New Delhi-Howrah Rajdhani Express via Gaya
12345/12346 Howrah-Guwahati-Howrah Saraighat Express
12331/12332...
more... Howrah-Jammu Tawi-Howrah Himgiri Express
15959/15960 Howrah-Dibrugarh-Howrah Kamrup Express