After Khanduri raised the issue of his removal from the post of chief minister following BJP's poor performance in Lok Sabha polls, Koshiyari questioned the timing of the Khanduri's letter to party chief Rajnath Singh when the leadership was grappling with bigger issues.
After Jaswant Singh and Arun Shourie fired salvos at the party leadership, Khanduri wanted to know under what circumstances he was removed and described as uncalled for the decision to replace him.
"Khanduri should have raised this question two months ago when he was asked to quit. Now it is too late," Koshiyari said.
He also said if Khanduri is taking credit for victory of BJP in Kapkot assembly by-election, he should also take blame for the party's defeat in all the five Lok Sabha seats in the state.
Khanduri's letter has sent ripples in the camp of Chief Minister Ramesh Pokhriyal Nishank, who is said to be upset with the letter written by his predecessor.
When contacted, Uttarakhand BJP General Secretary Ajay Bhatt said there was no problem in the ruling party and that Nishank would complete his tenure.