A. By passing a resolution itself is not a sufficient process to removal trustee even though it is mentioned in the Trust Deed. Hence, you have to approach the Civil Court to removal him and you need to explain and produce the record for the removing causes. Subsequently, if the Court satisfied, then pass the decree for removal of Co trust. Additionally, A trustee cannot resign without the permission of the court unless the trust instrument so provides or unless all of the beneficiaries who are legally capable to do so consent to the resignation. The court usually permits the trustee to resign if continuing to serve will be an unreasonable burden for the trustee and the resignation will not be greatly detrimental to the trust.
B. A co-trustee to commit a breach of trust. You may institute a suit to have Co trust removed and a new trustee appointed in his room. In case, if you removed Co trust by not following proper procedure, he has the right to question the same before the Court.
C. For your information, when the administration of the trust involves the receipt and custody of money, the number of trustees should be two at least.