DPSP ( DIRECTIVE PRINCIPLES OF STATE POLICY )
I will include mnemonics or memory techniques to remember those soon.
36 Definition.
Deaf person playing cricket 
match
37 Application of the principles contained in this Part.
A mug (37) is writing application to principal
38 State to secure a social order for the promotion of the welfare of the people.
In a movie , a judge saying order order
39 Certain principles of policy to be followed by the State.
39A Equal justice and free legal aid.
An elephant 
( 39) providing first aid
40 The organisation of village panchayats.
Our village panchayat office is covered with Roses 
( 40 )
41 Right to work, to education and to public assistance in certain cases.
wRite(41) to work
42 Provision for just and humane conditions of work and maternity relief.
A mother receiving relief ( maternity relief ) in Rain and Flood
43 Living wage for workers.
Lord RaMa provide money 
to Labourers
43A Participation of workers in the management of industries.
Lord Rama with his monkey 
troop is deeply discussing with a manager
43B Promotion of co-operative societies.
Lord Rama is fighting with a corporator ( reminders me of co-operative )
44. Uniform civil code for the citizens.
RRR Movie Cast dancing 
in a Uniform Dresss
45 Provision for free and compulsory education for children.
A Roller providing free books to children
46 Promotion of educational and economic interests of Scheduled Castes, Scheduled Tribes and other weaker sections.
A tribe cooking cockRoaCHes
47 Duty of the State to raise the level of nutrition and the standard of living and to improve public health.
A Rock Checking my Health by a Stethoscope
48 The organisation of agriculture and animal husbandry.
A big animal farm is situated on my Roof
48A Protection and improvement of environment and safeguarding of forests and wildlife.
One the other side of Roof, there is a forest and forest guard is protecting that forest
49 Protection of monuments and places and objects of national importance.
An Indian Army Protecting Taj Mahal with a Rope (49)
50 Separation of judiciary from the executive.
My friend is fighting a Judo ( Judiciary ) with an Axe ( Executive ) for a fifty rupee note
51 Promotion of international peace and security.
A dove ( peace ) throwing light