Now it is possible to set up an SIP fully online.
The kind of funds that will be suitable for you will depend on several factors. Assuming you want to invest in equity funds, Reliance regular savings equity is a good fund. it portfolio consists of about 50% in large caps, rest in midcap stocks, also a small portion in small caps.
Some of the funds that you can consider also are
HDFC equity, HDFC top 200, DSPBR equity, Fidelity equity, Reliance growth. You can choose 2 funds among these and start SIPs.
How long you will invest will depend long you can and want to invest.
All the above mentioned funds are equity funds. If markets fall your investment will also get eroded. It can even become half in value. however if you continue to invest and hold your investment you will reap a rich dividend . If you have followed the stock markets in the last couple of years you will know what I mean.
A market cycle will last 5-6 years on average, you should be able to hold on for that period.
Post further queries. try to be a little more elaborate.
Follow
THIS link to invest in reliance funds