The other partners and bank should be given notice on illegaly freezing the business account without intimation and notice to the effect
The bank was under duty to inform all the partners if freezing account without order of any government authority on request of single partner which not legal.
Secondly under the deed of partnership the said partner was not authorized to operate the account so he was in not capacity to give bank an order to freeze the accounts.
In case issue them.legal notice and seek compensation for damages from bank and the partner as it will be there liability to compensate all the default occurred due to there fault.
Further a civil suit for claiming damages can be initiated against them an an interim.order to start account can be taken form court or the bank can be asked in written to start an account failing which a criminal and civil action can be taken.
Only these bodies has authority to order freezing of account, so the action of the bank is illegal and damages shall be claimed from them,
Reserve Bank of India
Securities and Exchange Board of India (SEBI)
Income-tax authorities
Indian Courts
First of all give bank a legal notice for damages and to unfreeze the account if bak fails to respond file a complaint with baking ombudsman as well as civil suit for recovering damages.
Also 138 notices shall be bought before court and same damages shall be calculated. Also if any inquire in 138 you can take the stand can agree to pay amount in stipulated time.to drop 138 NI proceedings.