There are two ways this matter has to be approached.
1. A servant maid is not considered as an employee, but a close friend helping, sometimes even given status of a family member. This was the case all these years. So i that case the maid is also a friend-philosopher and guide to the Lady of the house. The maid takes food at that house, takes food home, gets share of anything made in that house. She also gets new clothes, sweets or other things during any festival celebrated in the house or by the maid separately also. Whenever the maid needs help in cash and kind,the landlady or the family help her that way. The 'wage' was never a major factor. For the maid it was a beneficial relationship with good people, a security and prestige and privilege. The maid also did not mind spending more time in that hours nor did the madam scold her for taking leave in times of need. When there arises situations of children's education,school reopening, daughter's marriage,hospital expenses etc the master-family gives timely help in cash and kind and rise to the occasion. They take up a sizeable part of the expense also depending on the length o the relationship. For any function in the master's family the maid also has her place of importance.
But the second one sees the maidservant as a paid employee only.That is why both side consider wages,leave, time,bonus etc. In that case many points in #638749 and 638760 are valid. The wage more or less conforms to per hour work in any other sector. At least in two occasions in an year they are given 'Bonus' or 'baksheesh'
which are mostly one moth's wages.That conforms to 16 % bonus in total. Many households give coffee /tea. That can be added up in remuneration like the corporate CTC. Practically most maidservants avail leave almost equal to as allowed in a private company. Probably PF and gratuity are the only exemptions. In that case this is a problem in all unorganised sectors too. In practice, mots servant maids in metros work for at least three or four houses in the same apartment or same area. So their cumulative wages and compensation in actual effect equals or exceeds the mandatory minimum in unorganised sector.
Here I can suggest that the master family should see that they include the maid servant in the government sponsored insurance and benefit schemes by sponsoring the premium and expenses towards the insurance, pension yojana ,bank account linked insurance etc.
The maid servants family come under the various benefit schemes of government like ration, medical benefits, etc which those who draw same salary in a regular employment may not get.
There is now another dimension to the issue also.There are lot of risks nowadays in engaging maid servants .Probably we nee a KYC(rather KNM-Know Your Maid) exercise before engaging a maid servant.
But I feel that the earlier maid-madam relationship is still the better beneficial one for the maid servants. If they are considered as paid employees, then probation,termination,disciplinary action etc also matter along with responsibility of compensation and liability of the master.