The following are some of the best 25-litre geysers available online in India:
Crompton Arno Neo 25L 5-Star Storage Water Heater
Bajaj Shield Series New Shakti 25L Storage Water Heater
AO Smith Storage 25 Litre Vertical Water Heater
V-Guard Divino 25 Litre Water Heater
Read this article to know more about these geysers.