Hi Rahul, Chevrolet Beat comes equipped with a 1.2 L petrol engine with a displacement of 1197 cc. This 1.2 L petrol engine is packed with 5 Speed Manual Transmission Gearbox that is very fuel efficient and is economical to run with an excellent mileage. The engine is also endowed with light weight DOHC technology that reduces friction, offers clear emission and performs better. This Inline type engine with 4 Cylinders and 16 valves is a very great performer and produces an impressive power of 80.5 PS at 6200rpm with 108Nm of maximum torque at 4400rpm. The advanced engine offers highest power and torque with improved compression ratios and delivers better initial and passing acceleration in city driving conditions for zipper overtaking. For a detailed expert review on this car you can click on this Chevrolet Beat page link. Thanks,
Please check following things
1. Is Fuel pump noisy. If yes change the fuel pump motor. Its cheaper than replacing whole fuel pump.
Swift Diesel Fuel pump motor is compatible
2. Check Battery voltage at Glow plug point it should be minimum 10.5V. If not change battery
3. Last option is check fuel injector leakage and get it callibrated
It is advisable to start a car once in a week or two and take it for a spin if possible, so the battery get recharged. Also, if you are planning to park it for a longer period, we will advise you to get jack stands and also to disconnect battery terminals, then you won't need to start it again and again.
What we can understand from your question is that, your tachometer is not coming up and the car is not starting. It could be because of a dead battery, we will recommend you to jump start your car if you don't have jumper cables and a good battery, you should it take it to the nearest service center. Other problem can be related to the start relay or electricals of the car.