How to check income tax refund status online?

In India, the system of direct taxation as it is known today has been in force in one form or another even from ancient times. There are references both in Manu Smriti and Arthasastra to a variety of tax measures. Manu, the
ancient sage and law-giver stated that the king could levy taxes, according to Sastras. The wise sage advised that taxes should be related to the income and expenditure of the subject. He, however, cautioned the king against excessive taxation and stated that both extremes should be avoided namely either complete absence of taxes or exorbitant taxation.
How to check income tax refund (ITR) status:
Step 1: Go to NSDL website (https://tin.tin.nsdl.com/oltas/refundstatuslogin.html)
Step 2: Enter your permanent account number (PAN)
Step 3: Choose the financial year or the assessment year for which need to check the income tax refund status
Step 4: Submit this information to get into the page of refund status
Step 5: You can take corrective measures based on the refund status
Alternate method:
Alternatively, a person can check the income tax refund status in his/her income tax e-filing account.
Step 1: Login to e-filing website with user ID, password, date of birth / date of incorporation and captcha.
Step 2: Go to ‘My Account’ and click on ‘Refund/Demand Status’ to know the year-wise details of your refund status.
Source: indiatoday