i agree with Srinidhi Jain
In form 20 B - Annual Return as per schedule V of Companies Act 1956
In form 23AC - B/s with its schedules, auditors report, notice and directors' report ( if the co. has subsidiary, then the papers of subsi. co also as per sec. 212(1) along with the statement as per sec. 212)
In form 23ACA - P&L along with schedules and auditors report.