Chibi Maruko-chan is a highly popular anime and manga franchise in Japan that has been made since 1986.
The first anime adaptation was broadcast from 1990 to 1992 and lasted 142 episodes. This is the version which was dubbed into English and broadcast on Nickelodeon India and Animax Asia.
No footage of this dub has been posted online or released on home video.
UPDATE (September 26, 2016): Lost Media Wiki user CRE040295 aka EC1995 has found an English dubbed episode from one of the voice actors' Facebook, Michael Pizzuto. This is the first English-dubbed footage we've been able to find online!