How can i increase the weight of my body!!!!!!!!!!!!!?

ok i m 20 yrs old and weigh 52 kgs..i wanna increase my weight..recently i started drinking beer(royal challenge and foster)..normally i used to drink 2 beers at a time and eat 2 half boiled eggs whenever i drink beers....wht more food must i consume for gaining weight??? suggest me some food tht is easily available in indian market.....also suggest me some good health drinks which will help me to gain weight...on an average how many eggs must i consume per day to gain weight??? pls answer me all these questions....thank u friends