Fidelity's Marianna Hunt is back on hand to answer your questions, and today a reader wants to know how to achieve a £1m pension pot.

I keep reading about how people need increasingly large sums in pensions to be able to enjoy a decent retirement. How can I boost my fund?

Fidelity's Marianna Hunt is back on hand to answer your questions, and today a reader wants to know how to achieve a £1m pension pot.