Wow.. what a waste of arguments without anyone questioning the logic of the article itself!
Is IA looking to replace SVD? Maybe but answer to that is not very clear. If IA was trying buy TRG 22 or Remington 700 based .308 Winchester sniper rifles then the title would have been appropriate. But that's not the case. Army seems happy with what SVD can do in 500-600 meter range.
However, we know for sure that Indian army is looking for 'ultra long range sniper system'. It is unfair to state that it is trying to replace SVD with this system, since IA never had such option. 'Ultra long range' (ULR) is unofficial designation for 1500 plus meter range, while 'very long range' being between 1000-1500 meters. Long range is 600-1000 meters.
For anti- personnel use, there are only a few cartridges that can fill role of the ULR in armed forces: .338 Lapua Magnum, .416 Barrett and .408 Cheyenne Tactical.
Lapua being adopted by more forces than anyone else is preferable since it has many advantages: 1. Cost, since each round costs $4
2. Multiple sources of manufacturers (Barrett and Chey rounds are made by only the proprietors unlike Lapua and
3. Many rifles designed to chamber it hence more buying options. Again Barrett and Chey rifles are made by 1-2 makers.
.50BMG can not be called true anti-personnel round but has been used effectively in that role by Western snipers in Iraq and Afghanistan. It is a heavy round with big recoil for intended use.
Indian soldiers, being smaller than their Western counterparts will have tough time lugging a very heavy rifle and dealing with huge recoil without any benefit. Also, .50 cal rifles cost almost double than Lapua rifles.
There are many multi-caliber rifles that allow quick change of barrel between .300 Win mag (good for upto 1200 meters) and Lapua. That helps barrel wear and cheaper target practice - Lapua costs 2x more than Win Magnum. IA should prefer multi-caliber option.
It's not just the rifle that makes the kill, but also scope, rings and training that make huge difference. Large scopes with 35mm to 40mm tubes are a quantum leap ahead of what SVD scopes are. They also cost as much as or more than rifle itself. A good scope for ULR costs at least $2500.
The next step is training. Without dedicated training school for ULR snipers, usefulness of these expensive gadgets will remain limited.