https://www.amazon.in/s?i=kitchen&bbn=208342503...

some good options

Lifelong Flash 3 Litres Instant Water Heater (3000 Watts, ISI Certified, 2 Years Warranty)
@ 1899
https://www.amazon.in/Lifelong-Litres-Instant-C...

Crompton Amica ASWH-2015 15-Litre Storage Water Heater (Black and White)
@ 5899
https://www.amazon.in/Crompton-Greaves-ASWH-201...

ACTIVA Instant 3 LTR 3 KVA SPCEIAL Anti Rust Coated Tank Geyser with Full ABS Body with 5 Year Warranty Premium (White)
@ x1999
https://www.amazon.in/ACTIVA-Instant-SPCEIAL-Wa...

Crompton Arno Neo ASWH-2615 15LTR(2KW) 4 Star-Rated Storage Water Heater (White)
@ 4799
https://www.amazon.in/Crompton-Arno-Neo-ASWH-26...

V Guard Calino 25 L – Free Installation with Inlet, Outlet Pipe; Digital Display; Remote control (1, 25 L)
@ 10900
https://www.amazon.in/Guard-Calino-25-Installat...

Crompton Solarium Qube 15LTR, 2KW,5 Star-Rated Storage Water Heater (White & Black)
@ 6790
https://www.amazon.in/Crompton-Solarium-Qube-St...

Crompton Aqua Plus(3KW) 3-Litre Vertical Instant Water Heater (Blue/White)
@ 2809
https://www.amazon.in/Crompton-IWHAQUAPLUS-3KW-...