Looking to create a plugin with these specs

Hi
I need to create something like this
Please guide how should I go about it

Site details :
Developed using WordPress theme and buddy press forum

Experts Tab –

In the tab there will be three options

? Ask a Query

? View Queries

? My Queries

User has to Login before asking a Query

Ask a Query –

User to select any one of the below provided category:

Leadership

Boss

Conflict Management

Office Dating

Motivation

Work Popular

Promotion

Managing Colleagues

Travelling to/from Work

Work Life Balance

Health Tips

Fun at work

Others

In case of Others, Users need to write their own Category

Text Box to write a query

User can select the below option

a. To be Answered by Experts

(* this means can only answer by a select group of Admin or Expert people , if the user has selected this

option .. no other member should be able to see the query )

If the user does not select the option the query is viewable to all members and can also be answered by

all members

Submit Button the submit the query

If there is any reply to the query, the user should get a notification on his registered email

User should get an option to Rate the Resolution in terms of Five stars

Admin should be able to classify the query as “Resolved”

View Queries –

On Click , the user should be able to see the Category wise table with the count of queries in each of the

above categories

On clicking any category, all the queries for that category will be displayed

On clicking of the query, user can see the resolution and comments provided

User can also see if the query is resolved or not

My Queries –

On Click , the user should be able to see the category wise table of the queries submitted by him /her

Please help
Thank you