The paper describes the replacement of Lead with a composite mixture – Al, Zn, Sn, In in the process of soldering to eliminate the null effects on the environment like soil pollution and air pollution. The Breaching of lead during the conventional soldering process causes the above effects. This has prompted the development of “Pb - free” soldiers with desired attributes of an optimum melting point, wettability, Pasty range, Reduced Intermetallic layer and Ductile Nature. A number of tests have been conducted over the newly developed composite mixture, revealing reduced environmental effects when replaced with Lead without affecting the nature of the Process.