Lets compare the water heater geyser of Venus and Bajaj to decide which one is better?

You can read the difference highlighted in the table below:

FeaturesVenus Water HeaterBajaj Water Heater
Inner Tank ProtectionPorecelain Enamel Glasslined Tank with magnesium rodTitanium glass lined enamel coated mild steel tank
Heating ElementIncoloy 800 Copper element
Outer TankPre-coated metal sheet with Rustproof PP lidsWeldfree joint in outer metal body
Warranty2 yr comprehensive
3 yr heating element
7 yr tank warranty
1 yr comprehensive
2 yr heating element
5 yr tank warranty
Temperature AdjustmentTemperature Control Knob from 25-75°CTemperature Control Knob from 25-75°C
Venus Geyser has better heating element material and extra warranty. Few good Venus water heater offers below….
Venus MegaPlus 25EV 25-Litre Storage Water Heater (White, BEE Star Rating - 4 Stars) ISI Marked | Porecelain Enamel Glasslined Tank | Guarantee - 5 Years on Inner Tank.
Venus MegaPlus 25EV 25-Litre Storage Water Heater (White, BEE Star Rating - 4 Stars) ISI Marked | Porecelain Enamel Glasslined Tank | Guarantee - 5 Years on Inner Tank.
Product Dimensions: 545mm (Height) x 372 mm (Width) x 372 cm (Length); Guarantee - 5 Years on Inner Tank, 2 Years on Heating Element & 2 Years on Product
₹ 11,260 ₹ 8,014
Venus Splash Copper 15CU 15-Litre Storage Water Heater | BEE Star Rating - 4 Stars) | Guarantee -10 years on Inner Tank | (Ivory)
Venus Splash Copper 15CU 15-Litre Storage Water Heater | BEE Star Rating - 4 Stars) | Guarantee -10 years on Inner Tank | (Ivory)
Type: Storage; Capacity -15L; Wattage - 2000 Watts; Pressure: 6 Bars; BEE rating: 4 Star; Product dimensions: 475mm (height) x 316 mm (width) x 325 mm (length)
₹ 18,190 ₹ 14,985
VENUS Audra 10AV 10-Litre (Ivory) Water Heater, Porcelain Enamelled Glass Lined Tank | BEE Star Rating - 5 Stars:ISI | Free Flexible Hose | Guarantee -7 Years on Inner Tank.
VENUS Audra 10AV 10-Litre (Ivory) Water Heater, Porcelain Enamelled Glass Lined Tank | BEE Star Rating - 5 Stars:ISI | Free Flexible Hose | Guarantee -7 Years on Inner Tank.
Suitable for pressure pumps and High rise buildings; Capacity: 10 liters; Power: 2000 watts; Operating Voltage: 220 - 240 volts
₹ 9,310 ₹ 6,764

Venus Water Heaters and Bajaj Geysers both are renowned Indian brands which excel in manufacturing water heaters aka geyser as we popularly call in India. Both offer pan India service and support with free installation on any geyser sold Indiawide.

Venus Water Heater is part of Venus Home Appliances a Tuticorin TN based company which is makes small appliances within India for more than half a century.

Bajaj Electricals is well known small appliance manufacturer from Bajaj Group of India. Formed more than 4 decades ago it has reliable service network all over India.

Above comparison is true for both storage and instant water heater. Nowadays one more category called tankless water heater are available in the market.