We too love some of the older serials, particularly the funny ones - Jaspal Bhatty's show, "Yahi Hai Zindagi", the early editions of "Office Office" among others. In the newer lot "Bhabhiji ghar par hain" is enjoyable.
Some of the all-time favourites are "Yes Minister", "Are you being served?", "Everybody loves Raymond", "Mind your language", "Fawlty Towers", "To the manor born", some episodes of "Friends", among others.
As time goes by I find myself turning more often to some of the Bengali programmes (my mother tongue!) on Zee Bangla, which seems to have improved by leaps & bounds, notably the reality shows & sit-coms.