The Best Long Lasting Blank Dvd Company In India?

AS I M PREPARING TO BUY 100 DISCS AT A TIME,I M LOOKING FORWARD FOR THE BEST BLANK MEDIA[DVD ONLY] IN INDIA....I HAVE HEARD A LOT ABOUT MOSERBAER AND SONY BUT I PRETTY CONFUSED TO CHOOSE.I WILL BE USING THE DISCS FOR KEEPING IMPORTANT SOFTWARES,MUSIC N OTHER DATAS.WHICH ONE WILL BE THE BEST?OFTEN I FOUND WRITE ERROR WITH MANY DISCS OF BRAND MOSERBAER,SONY,FRONTECH ETC.....WHICH ONE WILL WRITE WITHOUT ANY ERRORS AND WILL BE LONG LASTING?