It was the time when we use flurescent bulb . the bulb were get fuse with in one or two month it depends on occurance of fault. But today is the era of led bulb. and surya is the best and trusted led bulb company. the best things abouts thish led bulb is that it consume less amount of power. In my house I have used all surya led bulb . because of our electricity bill get reduced to 20%. its come in all variant whether its for toilet study room, kichen dining hall. according to use we used different rating of surya led bulb. Its life span is also very good . and the company give warranty of 1 year. and it last for 2 or 3 year.