Income tax return (India)

Income Tax Return is the form in which assessee files information about his/her Income and tax thereon to Income Tax Department. Various forms are ITR 1, ITR 2, ITR 3, ITR 4, ITR 5, ITR 6 and ITR 7. When you file a belated return, you are not allowed to carry forward certain losses.
The Income Tax Act, 1961, and the Income Tax Rules, 1962, obligates citizens to file returns with the Income Tax Department at the end of every financial year. These returns should be filed before the specified due date. Every Income Tax Return Form is applicable to a certain section of the Assessees. Only those Forms which are filed by the eligible Assessees are processed by the Income Tax Department of India. It is therefore imperative to know which particular form is appropriate in each case. Income Tax Return Forms vary depending on the criteria of the source of income of the Assessee and the category of the Assessee.
Filing of income tax returns: obligation by law.
Individuals who fulfil any one of the following conditions should by law file their Income Tax Returns during a financial year:
Due date for filing returns.
Due dates of filing income tax return for FY 2018–19 (AY 2019–20) are as under :
Penalty on late filing of ITR (effective from 1 April 2018).
As per the new law from this year, Individuals will have to pay late fee after last date to file income tax return for the FY 2018-19
Forms.
ITR-1.
ITR-1 form is an essential Income Tax Return form for Indian citizens filing their tax returns with the Income Tax Department. 
Eligible individuals for ITR-1 SAHAJ (Hindi terminology meaning 'easy').
Individuals who have earned their Income for a Financial Year only through the following means are eligible to fill the ITR-1 SAHAJ form.
In case of clubbed Income Tax Returns, where a spouse or a minor 
. is included in the tax returns, this can be done only if their income too is limited to the specifications laid down above.
Non-eligible individuals for ITR-1 SAHAJ.
Individuals who are not eligible to fill the ITR-1 SAHAJ form are those who have earned Income through the following means:
Submission of ITR-1 SAHAJ form.
The form can be submitted physically at any Income Tax Returns Office. An Acknowledgment Receipt can be obtained upon submission.
In case of Electronic Filing of the form there are two alternatives. Firstly, if a Digital Signature is obtained, the Form is uploaded online. Secondly, the Form is downloaded, printed, signed, and a copy of the acknowledgement is sent by post to the Income Tax Department's office in Bengaluru.
ITRV can now be verified online using Unique Identification Authority of India Aadhaar Card or Electronic Verification Code (EVC). The EVC can be generated either via One Time Password sent to email and registered mobile number (if income is less than INR 500,000) or via Net Banking. After online verification Income Tax Assesses is not required to send ITRV to Bangalore CPC.
The ITR-2 is a Form used by Income Tax Assesses in India. The process of filing Tax Returns in India involves the use of various forms for different categories of Assesses and the ITR-2 is one such form.
ITR-2 Form.
The ITR-2 Form is an important Income Tax Return form used by Indian citizens as well as Non Residents to file their Tax Returns with the Income Tax Department of India. The Income Tax Act, 1961, and the Income Tax Rules, 1962, require citizens to file their tax returns with the Income Tax Department at the end of every financial year and this form is a part of the filing process as specified by the Government of India.
The due date for filing return with the Income Tax Department of India is 31 July every year. This is subject to change only if a directive to this effect is issued by the Income Tax Department or the Ministry of Finance, India. The Financial Year ends on 31 March every year so Assessees have a period of four months to prepare their Income Tax Returns.
Eligibility for the ITR-2 Form.
The use of the ITR-2 Form is applicable to the following means of income only. This form is available for both Individuals as well as Hindu Undivided Families. Individuals earning an income only through the following means are eligible to fill and submit the form to the Income Tax Department.
The Income Tax Returns, if clubbed together with that of a spouse, minor child etc. needs to ensure that their sources of income are similar to those stated above. Only then can their returns be filed together. A difference of earnings in even one category makes the Assessee liable to fill a separate and applicable Income Tax Returns Form.
Special concession for salaried personnel.
Salaried personnel who earn an income of Rupees Five Lakh or less are exempted from filing Tax Returns as per the directive of the Income Tax Department of India. This rule however is only applicable to those who earn less than Rupees Ten Thousand as Income by way of Interest earned through their Savings Bank Accounts. Those who earn Rupees Ten Thousand or more are required to file their Tax Returns.
E-filing compulsory for a certain section of Income Earners.
The Central Board of Direct Taxes (CBDT) has made it compulsory for Individual and Hindu Undivided Families earning an income in excess of Rupees Five Lakh to file their Tax Returns only through the E-Filing Process. The manual filing of returns is no more an option for Assessees who come under this category. Electronic Filing of their Tax Returns is the only way to file the income tax return for the Individual and HUFs
ITR-3 Form.
The ITR-3 Form particularly applies to those Individuals and Hindu Undivided Families who are registered as Partners in a firm. As per Rule 12 of the Income Tax Rules, 1962, this form does not apply to those who are Proprietors of a firm. It is mainly for the business which includes partnership deals. It is also applicable for professionals but it should be a partnership profession.
Eligible Assessees for the ITR-3 Form.
The eligibility criteria of every Income Tax Return form are governed by a set of rules and conditions. The ITR-3 Form is applicable only to those Individuals and Hindu Undivided Families that can be placed under the following categories
If the partner of a firm only earns income from the firm as a share in the profits and not by any other means such as interest, bonus, salary, remuneration, or commission etc. then such an Individual or Hindu Undivided Family should file Income Tax Returns using only the ITR-3 Form, and not the ITR-2 Form.
Non-eligible Assessees for the ITR-3 Form.
Individuals and Hindu Undivided Families who are not eligible to fill the ITR-3 Form are those who have earned Income through a Business or Profession operated as a Proprietorship firm. Assessees, who apart from being a partner in a firm, also have sources of income from a business or profession, including the speculation market, are also not eligible to file their Income Tax Returns through this form.
ITR-4 Form.
The ITR-4 Form is applicable to those individual and Hindu Undivided Families who want to declare their income from Business or Profession under Presumptive Income Scheme of Income Tax under Section 44AD ,Sec 44ADA and Section 44AE of the Income Tax Act.