FD Campaign Android App Development

.give me the detailed codes and detailed instructions to build an android app for india in indian rupees that will create fd for my customers at 9% per annum where the tenure can be 3 months, 6 months, 9 months, 1 year, 2 year, 3 year, 4 years, 5 years, 6 years, 7 years, 8 years, 9 years & 10 years. if the customer tries to withdraw the money before maturity, then the customer will get the maturity amount at 8% per annum instead of 9% per annum and this shall be displayed to the customer while withdrawing. On the home page also, the 9% and 8% thing shall be displayed. Also, if a person wants to withdraw a partial amount, he can withdraw at 8% and the remaining partial amount that remains in the customer's account also can be withdrawn later at 8%. And the remaining amount that remains untouched till maturity, will be withdrawed at 9% at the time of maturity. and merge my bank account to the android app. The fd booked money will be transferred to my bank account and the withdrawals will be withdrawn FROM MY BANK ACCOUNT. Along with the app name that will be "Fdurates". If you have any clarifying questions, you can ask me one by one