You have to follow few tips to deal with your complex.

Firt be kind to your self. Yani jb  b ap koi kam krn khud ko judge na krn blkul b. Mn ny aisy q kiya waisy q kiya etc, es trha sy khud ko bura khnay ya smajny sy inferiorty complex zyada hota ha.

Be positive : apni zaat ko ly ky positive sochain. 

Be strong: hr insan mn kuch strengths and weaknes hoti hi ha the thing is to understand your strength and weaknes. So you can use your strength to enhance your life and modify your behavior to overcome weaknes.

Don't think about people: ya soch ky log kya kahin gy log kya sochain gy yai sb sy weak thought ha jo improve ni hony dyti. Don't under estimate yourself. Use your potential to be a successful person.

Make a list of your good side: ap apni zaat ky hwaly sy ak list bnain jo apki life ki good habbits han ap ki skills han unko likhain aur acknowledge krn. 

Hr insan apni zaat mn bhtr ha. Khud ky hwaly sy judgemental hony ki bjay khud ko understand krain apni zaat ko importance dain es sy confidence improve ho ga aur complex b overcome ho ga.