My all time favorite serials are like this:-
1) Sarabhai Vs Sarabhai - I still have all episodes in my HD and I watch them occaisonaly.
2) Dekh Bhai Dekh - Amazing comedy
3) DuckTales + Tales spin - as they come back to back
4) Surabhi : too knowledgable, Love them
5) Vyomkesh Bakshi: Favorite detective series. I still own all episodes
6) Chandrakanta: I loved them till all unecessary duplicates started popping up
7) Vikram Vetaal: loved stories
8) Kile ka rahasya : favorite horror serial till now.. used to get scare when we were kids
9) Street Hawk : I remember one english serial used to come where hero comes in black dress with black bike does adventure and back on his truck.
10) stone boy : If I am not wrong the name was this of that serial. In this a kid goes on hill and found a stone which gets converted into boy during day time and back to stone after sunset. anyone remember??
11) Fauji: Entry of Shahrukh but moreover that that love Army culture displayed in this serial. I refreshed seeing it again.
12) Shanti: Lol.. I love this serial only because of Mandira Bedi.. hate the serial but love to watch due to her.. teen age crush you know
13) Shaktiman: few starting episode.
14) Mahabharat and Ramayan: Cant help, Forced by everyone to watch the same as no one comes out when these serials come. so no games during sunday morning