thank you sir for helping. Thanks a lot. In that it is shown plot of Lyapunov exponents. i want to plot Lyapunov spectrum (Lyapunov Exponents vs parameter) like in the attached paper Figure 2,3,4.
Lyapunov spectrum vs parameter is not very popular but you can try MATCONT. This software should be able to do it. Let me look around for another software that can do it and easier to manipulate than MATCONT.
The entire Lyapunov spectrum for Lorenz system in Matlab may be obtained with lyapunov.m (see http://www.mathworks.com/matlabcentral/fileexchange/4628-calculation-lyapunov-exponents-for-ode). It's free. To plot it, add one or two lines.