Chief Minister Devendra Fadnavis, who is leading the BJP campaign for the polls, has made transparency the main plank.
As many as 162 candidates, including 10 from the BJP ally Republican Party of India (Athawale group), took the pledge in morning.
PMC is currently ruled by Sharad Pawar-led Nationalist Congress Party (NCP).
The pledge was read by state unit BJP president Raosaheb Danve, Pune MP Anil Shirole, district guardian minister Girish Bapat, Rajya Sabha MP Sanjay Kakade and BJP's Pune district president Yogesh Gogawale.
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"When the alliance was formed between BJP and Shiv Sena for the first time, (Sena founder late) Balasaheb Thackeray and (BJP leader late) Pramod Mahajan had decided that if the alliance were to be called off in future, both the parties will announce the break up amicably.
"Now, when the alliance is broken, allegations are levelled and the political atmosphere is being polluted," he said.
"I advise you not to resort to game of allegations and refrain from polluting the atmosphere by levelling charges against other candidates. Instead, all you should think of development of the city and how to bring funds for development of you own ward," he said addressing the candidates.
Talking to reporters later, Danve dismissed reports
that money was sought for distribution of BJP tickets at some places.
When asked about Sena's unrelenting criticism of BJP, Danve said such attacks would not affect their poll campaign.
"Instead of getting into the game of allegations and criticism, we will go to the masses with our agenda and the BJP's performance in last two years...I am sure that BJP will make inroads into PMC and other civic bodies as well," he said.
Danve said NCP and Congress are the main opponents for his party in the elections.
Out of 162 seats up for grabs in PMC, Congress and NCP have joined hands for 100 seats and will contest a "friendly fight" on rest.