First of all, i have searched everywhere for the schematics which will match the components on the motherboard. Unfortunately, none are found that will match many components on the motherboard. So after a while after so many tries, I finally found the original and mainly working Schematic 15341-1 for Dell Inspiron 15 model for the Dell Inspiron 15 model motherboard which I am very happy to share with you. Broadview is also attached below.
Thanks to you and sir who gave me.