Addressing an election rally at Mustafabad area in North East Delhi, Singh held AAP responsible for "wastage" of public money by "forcing" elections within a year of the previous assembly polls.
Singh said BJP had got the mandate as the party had won maximum number of seats in the assembly polls held in December 2013 and AAP should have extended support to BJP rather than taking support from Congress to form an unstable government.
"If you go by morality, the mandate of the public was in favour of BJP. AAP should have extended its support to BJP on the basis of issues. AAP calls itself an honest party and they joined hands with Congress which had increased corruption in the country. They were greedy for power, " Singh said.
Asserting that politics is not everybody's cup of tea, Singh said, "I have a suggestion for them that they should not be making promises which they cannot fulfill."
"China entered our territory. When I asked our ITBP DG what happened, he replied that they are trying to make roads in our territrory. I told him there should not be a single inch of road made by them," he said.