Cancellation of Unregistered Partnership Deed.

Hello, I have entered into an agreement to start a business for 50/50 partnership with a proposed capital of 3,00,000.00 RS(1,50,000.00RS each) and me and the second party drafted a partnership deed on a 300 RS(Three 100rs) non-judicial stamp paper on May/2019. But we haven't yet started the firm or register the firm and get a Current bank account. We were both expecting to raise some funds from friends and family but unfortunately we couldn't raise the funds and it's been almost 8 months. Now we plan to cancel the partnership deed. What is the procedure? The partnership deed is not registered. There is no clause in the agreement which mentions the terms and conditions for cancellation of agreement and neither is there any clauses for time frame to start the firm. Shall we just strike the agreement and put in the basic details about the reasons for the cancellation at the back of the final page and dually sign it? Or do we need to draft a new agreement for cancellation on a new non-judicial stamp paper? If we have to have a separate agreement for cancellation, what is the stamp value for it? In Tamil Nadu for a partnership deed the fixed stamp value is 300RS. So do we need to draft the cancellation agreement with the same value of 300RS or just a 20RS stamp is enough?