Where to buy furniture & Electronics in chennai?

For consumer electronics there are sony showrooms or
you can try Viveks, Vasanth and Co, or Jainsons to mention
a few

For furniture here is a list of addresses:

A.Palaniswamy 140 L B Rd Adyar 24425555
ABBA Furniture 210 Royapettah H Rd 28115254
Admiralty Furniture New 66 RH Rd 28133027
Alpha Furniture 26 100 Feet Bye Pass Rd 22454534
Ambassador Office systems 160/226 Royapettah H Rd 28115368
Ambiance Furniture & Interior 5, East Spur Tank Rd 28203640
Amson & Co 105 Nungambakkam High Rd , Nungambakkam 28241135
Amul Polycure Industries Ltd 1 Parthasarathy St 25962002
Anjali Chairs India Pvt Ltd 42/4 -6 Anna Salai 28472110
Annam Enterprises 124 Pur H Rd 26422419
Anush Furniture Par Excellence A-I AI-Karam Twrs 45 VN Rd 24338021
Arasan Furnitures 327& 328 P H Rd 26461560
Arasan's 82 Sullivans Garden Rd 24994927
Aravind Chairs & Service Centr 64 B Easvarar Clny 4th St 24842150
Archana systems 59/9 Jawarharlal Nehru Rd 24841983
Arun Furnitures 289 P H Rd 26422419
Atelier 125 Valluvarkottam High rd, Nungambakkam 28229900
Bafna Marketing 174/111 Anna Pillai St 25293600
Bala Vinayagar Enterpeises 10 Chitrakulam N St 24940839
Bharat Furniture 40 South Usman Rd 24340467
Blow Plast Ergonomics Ltd 2&3 Bishop Wallers Ave (E) 28252077
Bright Furniture 16 Thiru Ngr Mn Rd 24814378
Brownstar Enterprises 94 Sterling Rd Nungambakkam 28312823
Brownstra Entreprises 105/1 Sterling Rd 28202684
Budget Furniture G-1 6th Link St N Ngr 24928782
Centaur Furnitures 16, 3rd Crs Rd, R A Prm 24346822
Chandra Furniture Hirer 12 Giriappa Rd 28259132
Chellarams New 117 Walajah Rd 28545038
Classifur System(P) Ltd 10 Park Rd East Shenoy Ngr 26443944
Confidence 249 Mount Rd Teynampet 24321831
Cybercove Furniture Mart 291 Royapettah High Rd 28207211
D.Chandirasekar & Co 5 Irusappa Gramani St 28442434
Damro 150 Arcot road, Kodambakkam 23721820
Damro 150 Arcot Rd 23721820
Damro Furniture Pvt Ltd 105 Arcot Rd 23721320
Deepak Furnitures 25 Adyar Bridge Rd 24465626
Devi Furniture 349(Old No 159) Pycrofts Rd 28529959
Dr Giri Furniture 27 Varadarajpet Mn St 24802710
Dr Giri's Museum 24 Branson Gdn St 26450378
Drreamspace Ag-1 Shanthi Clny A Ngr 26209341
Durian 125 ValluvarKottam High Rd 28229900
Durian 125,Valluvarkottam Hg Rd 28229900
Ebony 6 Dr.Alagappa Rd , Flowers Rd 25324923
Elyas Furniture Hires 7 GN Chty Rd 28212076
Ergomaxx 80 Nungambakkam High road, Nungambakkam 52139139
Euro Trendy 3B 5th St Tansi Ngr 22435699
Fantasy Furniture Co New No 66 Thirumalai Pillai Rd 28234420
Fasco Furniture & Interiors Pvt Ltd 17 Ramanujam St 24849193
Fine Furniture Ist flr 2nd Ave , Anna Nagar 52170380
Fine Wood Furniture 133 Coral Merchant St 25241569
Foam and Furniture 183 Royapettah H Rd 24990894
Furn & Fab 4/5 Egambara Nckn St 22491799
Furn World Chitra Towers, 332 Arcot Rd 24806687
Furniture Studio 132/239 R H Rd 28132207
Ganesh Furnitures 11 Police Quarters B'Way 25231366
Gautier 41 Montieth Rd 28528731
Gautier India Ltd 41 Montieth Rd 28528731
Glassnost 18 KN Khan Rd 28270117
Gopinath Furniture 63 Gowdiya Mutt Rd 28253156
Halda Sales Corporation 27/1 Fanpeth 1st St 24314222
Harish Furnitures No 292/1 Kilpauk Garden Rd 26461247
Honestt Furniture Rentals 112 Thiruvaruvallur Salai 24418067
Hunters 42 Sembudoss St 25227631
Huzaifa Décor 8, RH Rd 28132096
Imperial Furniture Co 573 Anna Salai 24349644
Indian Furniture Products 41 Montieth Rd 28528731
Indroyal Furniture Co 222 Lloyds Rd 28241072
Jacsons Furniture 142 Valluvarkottam H Road, Nungambakkam 28238468
Jaggi Furniture Hirers New No 58 Pudupet Grdn St 28111097
Jai Enterprises 811 Mount Rd 28521054
Jascsons Furniture 142 Valluvar Kottam H Rd 28238438
Jayabharatham Furniture 235/238 R H Rd 28131301
Jayam Steel Centre 9-A Police Qtrs B'way 25222205
Jenefas & Jenefas 26/6 Narasingaprm St 28533328
K Ansari & Co New No 3 Theetharappa St 28572767
Kay Bee Furniture & Caterers 48 Ellis Rd 28516270
Keshav Chairs Pvt Ltd 32, 100 Feet Rd 24833777
Keynes Business System 2 Montieth Lane Egmore 28554283
Kumaran Furniture 45C Medavakkam Main Rd 22242535
Kurinichi Furniture 14/48 L B Rd 24902541
Leedall Interfab 312 Sidco Estate 26255575
Madras Glass & Plywood Depot 72 Devaraja Mdli St 25353648
Majestic & Co 88 Avadhana Pappaiyar Rd , Choolai 26422839
Mathi Furniture 937 T H Rd 25967434
Metal Link Systems 3 Mount Rd 28532278
Modfurn 35 Royapettah High road, Royapettah 28211264
Modular Millenium 8/9 Om Murugaillam Sarojini St 24347634
Moti Mahal 581 Mount Rd 24349028
MRS Industries 153 Durga Devi Ngr Ennore H Rd 25960464
Muthu Furniture 5 Thyagaraja Rd -17 24344193
Nams Agencies 28 Parameshwari Ngr 1st St 24916624
National Furnitures AB-107 2nd Ave A Ngr 26212666
National Traders AB-8 2nd Ave A Ngr W 26287626
Navabharatham Furniture 283 Royapettah H Rd 28132137
Nivas Furniture Mfg Co 168/2 PN Ramamoorthy Rd 24867785
NKT Suresh & Co 4A TP Koil 2nd Ln 28441618
Olander 99, T T K Rd. 24662885
Ozaann 17 Nerkundrampathai 100 Ft Rd 24815890
P Vipulkumar furniture 72/4 Godown St 25384491
P.S.Corporation 142-A Periyar Pathai, Choolaimedu 24839747
Pace Furniture 935 P H Rd 26433144
Pace Furniture Gallery 55, Dr. R.K. Salai 28117700
Pall Associates 213 Peters Rd , Royapettah 28481090
Palve Furniture 100 Ft Rd Vadapalani 24727688
Pinnacle Saporiti 1,Sambandham St G N Chty Rd 28150102
Pradeep Corporation 94 Sterling Rd 28202684
Pranav Furniture & Office Syst 58/4 100 Ft Rd, Vadapalani 24832221
Prashanth Entreprises 81/84 Kumarappa St 28254636
Priya Enterprises 13 Radhakrishnan St 24331094
R B Enterprises No 83(Old No 30/1) Canal Bank 24936286
R B Entreprises 83 Canal Bk Rd Mandaveli 24936286
Raghurams 15 Sivagnanam Rd 24343450
Rams Fittings &Accessories P Ltd 15 5th Trust Crs St 24935361
Rathna Furniture 219 & 219A Paper Mills Rd 25581669
Royal Entreprises 32 De Monte Clny T T K Rd 24986799
S J Fabricators & Royal Tech 94 Chutan Ngr 2nd St 22312546
Saagar Furniture(Chennai) Pvt 22, 100 Ft Rd, Vadapalani 24811919
Saify Traders 232 Pycrofts Rd, Royapettah 28550583
Santhosh Furniture 69 J N Salai 100 Feet Rd 24848417
Sathya Corporation New 137 R H Rd 24982930
Sathya Furniture World 69-70 R H Rd 24982930
Sathya Modular Interiors 6A Dwaraka Clny 24981252
Seating World 42 Kilpauk Gdn Rd 26444005
Sivasakthi Wood Works C-4 Phase III Guindy Ind Est 22330957
Southern Perforators 49 P B Rd 25322680
Spacecrafts 110 Spencer Plaza 1st Floor 28553613
Sree Ambal Furniture 13 Kalingarayan St , Royapettah 28132744
Sree Balaji Enterprises 31 Warren Rd 24981082
Sree Gayathri Sales Corp 29-A R H Rd 28131220
Sree Sastha Supplies 12 Poes Rd Vannia 24350873
Sri Ambal Furniture 13 Kalingarayan St 28132744
Sri Krishna Supplies 2 Anna H Rd MGR Ngr 24714675
Sri Lakshmi Agenices 235 New Military rd Avadi 26551549
Sri Sai Furniture 18 Royapetah H Rd 28131630
Sri Shanthi Entreprises 17-A Chitrakulam N St 24959551
Sri Vidhya Entreprises 98 Pushpa Ngr Mn Rd 28276709
Srilakshmi Furniture Mart 329 Konnur H Rd Ayanavaram 26452894
SSP Kavitha & Co 24 New Giri Rd 28260067
Sterling Decors Pvt Ltd 142 Indra Ngr 24861038
Sumangali Furniture 89 Erukkanchery H Rd 25520498
Surendra's Furnishing 73 Purasawalkam High Rd 26428302
Surya Furniture 573 Anna Salai 24349565
Tallboy Furniture 10 & 11 Dr R K Ngr 26200081
Tansi TVK Indl Est 22322642
The Design Store No 32 C P Ramaswamy Rd 24997260
The Living Room 52 G.N.Chty Rd, T.Nagar 28152817
The Living Room 52 Ankur Plaza G N Chetty Rd 28222707
Touch Wood 244 Mount Rd 24321595
Transteel Seating Tech(P) Ltd 38 Basement College Rd 28212596
Usha Agencies(ZUARI) 5 Deenadayalu St Pondy Bazar 24341779
Usha Shiram Furniture Indl P Ltd 559 Anna Salai 24323157
Vasana Furnitures 735 Poonamalee High Rd 26471881
Victory Marketing 32 Club Rd East 26440505
Vignesh Furniture New 29 R H Rd 28132243
Vijaya's Carpentry 338 K H Rd Guhalayam 26461558

For ANTIQUE FURNITURE i have found out only one shop,
doubtless there are more:

Address: Ebony Antiques, # 6, Kaliput House, Dr. Alagappa Road,
Chennai 600 084.
Phone: 532 4923
E-mail: ebony@md4.vsnl.net.in