Discerning what works and what not

Hare Krsna dear Guru Maharaja. Please accept my humble obeisances. All glories to Srila Prabhupada!

I have a question in connection to what you wrote in last KD.

From last KD :"For us is just as important eliminating programs that are not working as developing plans that are working."

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How to discern what is working (what programs, projects) and what not? For example, a Sunday program at the temple (aka Sunday Feast). How to understand if it works in a way that pleases Krsna? Other example,  a Local Yatra project, or National Yatra project? 

Very grateful, 
Namacarya das

HpS - ASA --- AGTSP ... I guess the basic idea is whether Krsna was happy after the Battle of Kuruksetra or not, no?   Did Yuddhistira feel that he had eliminated a government and governors that weren't working?

In the end Bhisma convinced him that he had eliminate the right things.

What do you think of:

http://www.vedabase.com/en/sb/1/9/12  ????