Questions - have asked my primary questions in red, but any suggestions are most welcome 
- What is your budget?
- Around 50K
- What is your existing hardware configuration (component name - component brand and model)
- CPU - AMD FX 4100
- Motherboard - Asus M5A78L-M LX V2 (almost dead)
- GPU - Sapphire ATI Radeon HD 6670 1 GB DDR3
- RAM - Corsair Vengeance DDR3 4 GB 1600Mhz (CMZ4GX3M1A1600C9)
- Monitor - Acer 19" P196HQL
- PSU - Some cheap brand 450W (UMax or VIP)
- HDD - WD 500GB Blue WD5000AAKX
- Which hardware will you be keeping (component name - component brand and model)
- Monitor - Acer 19" P196HQL
- RAM - Corsair Vengeance DDR3 4 GB 1600Mhz CMZ4GX3M1A1600C9
- HDD - WD 500GB Blue WD5000AAKX
- Which hardware component are you looking to buy (component name). If you have already decided on a configuration then please mention the (component brand and model) as well, this will help us in fine tuning your requirement.
- CPU - Core i5 4590 (already bought it as I was getting it for Rs 11700 on eBay while it's priced around 15k - 16k on other sites)
- Motherboard - Gigabyte B85M-DS3H Motherboard - Rs 5999
- Is this Motherboard a good choice?
- RAM: Corsair Vengeance DDR3 4 GB (2 x 4GB) PC Desktop RAM (CMZ4GX3M1A1600C9) 1600Mhz
- Since I already have 1 4GB stick, I'm thinking of buying another 4GB stick subject to following concerns:
- Is this RAM compatible with the new build?
- Is it a good idea to use it along with another 4 GB stick of the same type (Rs 1875) or should I scrap it and buy a different RAM altogether?
- Even if it makes sense, the MoBo (Gigabyte B85M-DS3H Motherboard) doesn't mention this particular RAM (CMZ4GX3M1A1600C9) in its Memory Support List on official site
- Is this RAM compatible with the new build?
- PSU - Corsair VS550 Builder Series Power Supply for Gaming and Servers - Rs 3300
- Cabinet - Circle Gaming Cabinet CC 821 without SMPS (with 3 LED FAN) - Rs 3044
- Is this going to be your final configuration or you would be adding/upgrading a component in near future. If yes then please mention when and which component
- Yes, will upgrade the following within 6 months
- Monitor - Dell 22" FULL HD LED MONITOR SE2216H - Rs 7275 (intend to use dual monitor setup with this and previous one)
- GPU - ZOTAC GeForce GTX 960 2GB AMP Edition 128-Bit DDR5 Graphic Card - Rs 15950
- May be an SSD somewhere down the line if that makes sense
- Where will you buy this hardware? (Online/City/TE Dealer)
- Mumbai
- Open to online purchase
- Would you consider buying a second-hand hardware from the TE market
- Not sure. Would want to avoid, though.
- What is your intended use for this PC/hardware
- Gaming
- Browsing
- Coding - Multiple IDEs in parallel perhaps
- Occasional Photoshop
- Do you have any brand preference or dislike? Please name them and the reason for your preference/dislike.
- No preference
- If you will be playing games then which type of games will you be playing?
- Witcher 3, GTA V, Far Cry 4, Rise of Tomb Raider, Assasin's Creed Syndicate, ...
- Medium is also fine, if not high
- Not an everyday gamer, just want to ensure I can run them all if I ever feel like.
- What is your preferred monitor resolution for gaming and normal usage
- Gaming - 1900x1080
- Desktop - 1900x1080
- Are you looking to overclock?
- No
- Which operating system do you intend to use with this configuration?
- Windows 7 64 bit / Windows 10
- Ubuntu
- Also, would the stock cooling suffice for occasional gaming or some additional cooling system is must?
