Chairman of Capital market regulator Sebi, U K Sinha, today held discussions with Finance Minister Arun Jaitley, days ahead of the Union Budget.Details about the meeting could not be immediately ascertained.The Securities and Exchange Board of India (Sebi) had earlier presented its wish list for the upcoming Union Budget.The watchdog has sought measures to further boost the country's mutual fund market and changes in existing tax structure in the capital market, among others.