Following are the popular ones., some are recommended by icai also:
1. FR - M.P Vijay Kumar(Snow White), Saravana Prasath(Padhuka), Shukla & Grewal(S. Chand) / R.L Gupta & M. Ramaswamy(Sultan Chand) - both in combination with study material.
1a. AS - M.P Vijay Kumar(Snow White), D S Rawat(Taxmann), Dolphy D’souza(Snow White).
2. SFM - V Pattabhi Ram(Snow White), G Sai Mukundan(Padhuka), A.N Sridhar(Shroff), Khan & Jain (Tata Mcgraw Hill).
3. Auditing - Saravana Prasath(Padhuka), Kamal Gupta(Tata Mcgraw Hill) in combination with study material.
3a. AAS -Saravana Prasath(Padhuka), D S Rawat(Taxmann).
4. Law - Munish Bhandari(Best Word), G.K Kapoor(Sultan Chand - two versions), A K Majumdar & G.K Kapoor(Taxmann).
5. Costing & QT - Saravana Prasath(Padhuka), Saxena & Vashist(Sultan Chand), Charles T. Horngren(Prentice Hall), N.D Vohra(Tata Mcgraw Hill).
6. MICS - Study Material, Saravana Prasath(Padhuka).
7. DT - T N Manoharan(Snow White), V K Singhania(Taxmann).
8. IDT - Yogendra Bangar(Aadhya), K Vaitheewsaran(Snow White), N S Govindan(Sitaraman).
plus: suggested answers of icai from Nov 2002 till now.
My combination was:
1. M P Vijay Kumar+Study Material.
1a. M.P Vijay Kumar+Study Material.
2. V Pattabhiram+L Muraleedharan Theory Notes(Sreeram Coaching Point).
3. Saravana Prasath.
3a. D S Rawat.
4. Munish Bhandari.
5. Saravana Prasath+Study Material..
6.Saravana Prasath+Study Material
7. T N Manoharan.
8. Yogendra Bangar.
plus suggested answers as mentioned.
for icai recommended books(incomplete list)
https://www.icai.org/post.html?post_id=1064