Dear student There is both merit and entrance exam process for getting the admission in du .



For bsc (h) maths in du by merit process ,you have to apply and then cut off will be realised .you should compare your 10+2 percentage of four subjects ( PCM and one any language ) to the cut off .



After this which college of du will include your percentage in his cut off and then you have to the college for getting admition with your original documents. For more detail you can search official websitehttp://w.w.w.du.ac.in



And application form will be realise in the month of May or June.