04 July 2012
Yes it is mandatory to file annual return of the LLP under the provisions of the LLP Act in e form 11. Now since LLP and MCA has been integrated, you may file form 11 on MCA portal. In your case last date for filing was 30 may 2012 but it has now been extended. Also post integration of MCA with LLP, new LLP forms have been prescribed. Visit MCA portal and follow instructions therein.