The nearest LRT is "Pudu" at the Ampang LRT line. It is about 10min walk from there.
From Time Square you can walk to Pudu market in about 15min.
The area around Jalan Pasar is also has many shops selling goldfishes and other aquarium fishes as well as aquarium equipment (water filters, lamps, food etc.)
Here is a great video showing the different cultures and people in Malaysia singing together at the Pudu wet market in Kuala Lumpur:
The area features a large Indonesian community, and more recently, a small African community. It has a daily wet market known as Bazaar Baru Chow Kit which is arguably the largest wet market in Kuala Lumpur. Chow Kit is also known for its red-light district as well as for its nightly gathering of transwomen.
Times Square KL (Shopping Mall)
Giant shopping Mall in Bukit Bintang with 10 floors, IMAX theatre, Golden Screen cinema, a huge bowling alley and a theme park with a roller coaster.
Guesthouse / Hostel in Chinatown right next to to the Sri Maha Mariamman Hindu Temple
Dataran Merdeka, Kuala Lumpur
The Dataran Merdeka (or Merdeka Square) is the old colonial heart of Kuala Lumpur. It was here, in front of the Sultan Abdul Samad Building that the Union Flag was lowered and the Malayan flag hoisted for the first time at midnight on August 31, 1957. Merdeka = Independence.
Sri Mahamariamman Hindu Temple, Kuala Lumpur
Founded in 1873, the Sri Mahamariamman Temple is the oldest Hindu temple in Kuala Lumpur. It is situated at edge of Chinatown on Jalan Tun H.S.Lee (fomerly Jalan Bandar / High Street).