Hi, I am listening to Indie rock nowadays. Do you know anything about this?
Indie Rock is a very popular genre of music. It originated in the US and UK in the 80's
Do you any indie bands? 
One of the most famous bands currently is the Arctic Monkeys
Yes I used to listen to their music many years ago. Who are their band members?
There is Alex Turner, Matt Helders, Jamie Cook, and Nick O' Malley. 
They were really popular back in the day. Do you listen to them still? 
I do. Bands like AM got to enjoy more commercial success due to changes in the music industry in the 2000s.
Yes they were big in the 2000s, I wonder if they still make music.
term "alternative" lost its original counter-cultural meaning. The term "indie rock" became associated with the bands and genres that remained dedicated to their independent status. By the end of the 1990s, indie rock developed several subgenres and related styles, including lo-fi, noise pop, emo, slowcore, post-rock, and math rock. In the 2000s, changes in the music industry and in music technology enabled a new wave of indie rock bands to achieve mainstream success.
In the early 2000s
new system was "Bonkers" by Dizzee Rascal, which also made it to No. 1 in the main UK Singles Chart.
Also during the 2000s and 2010s many indie rock/post-punk revival bands like the Kaiser Chiefs and Arctic Monkeys topped the OCC's chart; Arctic Monkeys' single "Do I Wanna Know?" reached No. 2 in the chart in June 2013 while making it to No. 11 in the main chart.
See also.
- Lists of UK Independent Albums Chart number