Friends,pls suggest me best tax saver and high return investment plan……my yearly income is 5.6 lakh/-?

rt now i investing (35000/- in PF + 8000/- in term insurance cover) yearly
pls suggest me the best tax saving plan…….
and i want to invest in SIP(tax saver) pls suggest me the best retrun company….
and i want to invest in PPF ….pls suggest me wr i should open an account(in company or post office or any wr else)..

pls suggest me the by calculation point of view…..

i am waiting for ur important answer(i pls to discuss with the best possible answer)