well shobha..i dont think u'll get any good summer project coz all the orgainzations have most probably allocated their summer projects to the selected trainees...i can advise you 2 things -
1) ask sundaram finance to give you another project, if not a big one but couple of smaal live projects.
2) go to any bank/ small investment firm/brokerage firm/fianancial analyst firm and ask for a live project if any...usually such live projects comes to the b-skools....so u can even ask our faculties to help u out here..
but must say getting a maketing project is easier than getting a finance project and know one mnc which has a marketing summer project in hand..if any one is interested then post it here asap..
ciao..