~ Video encoding using Mencoder

mencoder in.dat -oac mp3lame -lameopts preset=128 -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=1200 -ofps 25 -of avi -o out.avi

~ To add SRT Subtitles to AVI files

Software used: Mencoder

mencoder -sub vid_name.srt -subcp iso-8857-9 -ovc xvid -xvidencopts bitrate=687 -oac copy -o reqd_name.avi vid_name.avi