Start with Post Office Saving Schemes, you can also create a Public Provident Fund PPF Account for a more stable future. PPF accounts can also be opened in some banks.
Even today, the hand written postal letters and parcels reach remote places in India, where even email or phone cannot.
Save some money in the Banks as Fixed or Term Deposits. If you still have some extra money then you can invest in shares and securities.
Do not keep all the Eggs or Apples in one Basket. One goes bad, then you lost everything.