I have a crush on a girl at college

Hi every one I have a crush on a girl at college taht is older than me about a year or 2 .I want to tell her but i fear she regect me .I study mechanic Engeering but she study civil .If any body can help me plz tell me what to do .Tnx

@BUNNYHABIT Im agree with u but problem is she is older than me and I dont know what to do , I want her so much but Idont know how take her attention and her heart . Its my first time I became in love and I wanna do something .